20688520600

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{1997}}^1$

素因数の和:2318

約数の個数: 192

約数和(自身を含む): 55788795360

約数和(自身を除く): 35100274760

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 25, 34, 40, 44, 50, 55, 68, 85, 88, 100, 110, 136, 170, 187, 200, 220, 275, 277, 340, 374, 425, 440, 550, 554, 680, 748, 850, 935, 1100, 1108, 1385, 1496, 1700, 1870, 1997, 2200, 2216, 2770, 3047, 3400, 3740, 3994, 4675, 4709, 5540, 6094, 6925, 7480, 7988, 9350, 9418, 9985, 11080, 12188, 13850, 15235, 15976, 18700, 18836, 19970, 21967, 23545, 24376, 27700, 30470, 33949, 37400, 37672, 39940, 43934, 47090, 49925, 51799, 55400, 60940, 67898, 76175, 79880, 87868, 94180, 99850, 103598, 109835, 117725, 121880, 135796, 152350, 169745, 175736, 188360, 199700, 207196, 219670, 235450, 258995, 271592, 304700, 339490, 373439, 399400, 414392, 439340, 470900, 517990, 549175, 553169, 609400, 678980, 746878, 848725, 878680, 941800, 1035980, 1098350, 1106338, 1294975, 1357960, 1493756, 1697450, 1867195, 2071960, 2196700, 2212676, 2589950, 2765845, 2987512, 3394900, 3734390, 4393400, 4425352, 5179900, 5531690, 6084859, 6789800, 7468780, 9335975, 9403873, 10359800, 11063380, 12169718, 13829225, 14937560, 18671950, 18807746, 22126760, 24339436, 27658450, 30424295, 37343900, 37615492, 47019365, 48678872, 55316900, 60848590, 74687800, 75230984, 94038730, 103442603, 110633800, 121697180, 152121475, 188077460, 206885206, 235096825, 243394360, 304242950, 376154920, 413770412, 470193650, 517213015, 608485900, 827540824, 940387300, 1034426030, 1216971800, 1880774600, 2068852060, 2586065075, 4137704120, 5172130150, 10344260300, 20688520600]

約数ペア:

[(1, 20688520600), (2, 10344260300), (4, 5172130150), (5, 4137704120), (8, 2586065075), (10, 2068852060), (11, 1880774600), (17, 1216971800), (20, 1034426030), (22, 940387300), (25, 827540824), (34, 608485900), (40, 517213015), (44, 470193650), (50, 413770412), (55, 376154920), (68, 304242950), (85, 243394360), (88, 235096825), (100, 206885206), (110, 188077460), (136, 152121475), (170, 121697180), (187, 110633800), (200, 103442603), (220, 94038730), (275, 75230984), (277, 74687800), (340, 60848590), (374, 55316900), (425, 48678872), (440, 47019365), (550, 37615492), (554, 37343900), (680, 30424295), (748, 27658450), (850, 24339436), (935, 22126760), (1100, 18807746), (1108, 18671950), (1385, 14937560), (1496, 13829225), (1700, 12169718), (1870, 11063380), (1997, 10359800), (2200, 9403873), (2216, 9335975), (2770, 7468780), (3047, 6789800), (3400, 6084859), (3740, 5531690), (3994, 5179900), (4675, 4425352), (4709, 4393400), (5540, 3734390), (6094, 3394900), (6925, 2987512), (7480, 2765845), (7988, 2589950), (9350, 2212676), (9418, 2196700), (9985, 2071960), (11080, 1867195), (12188, 1697450), (13850, 1493756), (15235, 1357960), (15976, 1294975), (18700, 1106338), (18836, 1098350), (19970, 1035980), (21967, 941800), (23545, 878680), (24376, 848725), (27700, 746878), (30470, 678980), (33949, 609400), (37400, 553169), (37672, 549175), (39940, 517990), (43934, 470900), (47090, 439340), (49925, 414392), (51799, 399400), (55400, 373439), (60940, 339490), (67898, 304700), (76175, 271592), (79880, 258995), (87868, 235450), (94180, 219670), (99850, 207196), (103598, 199700), (109835, 188360), (117725, 175736), (121880, 169745), (135796, 152350)]