20938050

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1$

素因数の和:82

約数の個数: 216

約数和(自身を含む): 71263296

約数和(自身を除く): 50325246

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 23, 25, 30, 34, 35, 42, 45, 46, 50, 51, 63, 69, 70, 75, 85, 90, 102, 105, 115, 119, 126, 138, 150, 153, 161, 170, 175, 207, 210, 225, 230, 238, 255, 289, 306, 315, 322, 345, 350, 357, 391, 414, 425, 450, 483, 510, 525, 575, 578, 595, 630, 690, 714, 765, 782, 805, 850, 867, 966, 1035, 1050, 1071, 1150, 1173, 1190, 1275, 1445, 1449, 1530, 1575, 1610, 1725, 1734, 1785, 1955, 2023, 2070, 2142, 2346, 2415, 2550, 2601, 2737, 2890, 2898, 2975, 3150, 3450, 3519, 3570, 3825, 3910, 4025, 4046, 4335, 4830, 5175, 5202, 5355, 5474, 5865, 5950, 6069, 6647, 7038, 7225, 7245, 7650, 8050, 8211, 8670, 8925, 9775, 10115, 10350, 10710, 11730, 12075, 12138, 13005, 13294, 13685, 14450, 14490, 16422, 17595, 17850, 18207, 19550, 19941, 20230, 21675, 24150, 24633, 26010, 26775, 27370, 29325, 30345, 33235, 35190, 36225, 36414, 39882, 41055, 43350, 46529, 49266, 50575, 53550, 58650, 59823, 60690, 65025, 66470, 68425, 72450, 82110, 87975, 91035, 93058, 99705, 101150, 119646, 123165, 130050, 136850, 139587, 151725, 166175, 175950, 182070, 199410, 205275, 232645, 246330, 279174, 299115, 303450, 332350, 410550, 418761, 455175, 465290, 498525, 598230, 615825, 697935, 837522, 910350, 997050, 1163225, 1231650, 1395870, 1495575, 2093805, 2326450, 2991150, 3489675, 4187610, 6979350, 10469025, 20938050]

約数ペア:

[(1, 20938050), (2, 10469025), (3, 6979350), (5, 4187610), (6, 3489675), (7, 2991150), (9, 2326450), (10, 2093805), (14, 1495575), (15, 1395870), (17, 1231650), (18, 1163225), (21, 997050), (23, 910350), (25, 837522), (30, 697935), (34, 615825), (35, 598230), (42, 498525), (45, 465290), (46, 455175), (50, 418761), (51, 410550), (63, 332350), (69, 303450), (70, 299115), (75, 279174), (85, 246330), (90, 232645), (102, 205275), (105, 199410), (115, 182070), (119, 175950), (126, 166175), (138, 151725), (150, 139587), (153, 136850), (161, 130050), (170, 123165), (175, 119646), (207, 101150), (210, 99705), (225, 93058), (230, 91035), (238, 87975), (255, 82110), (289, 72450), (306, 68425), (315, 66470), (322, 65025), (345, 60690), (350, 59823), (357, 58650), (391, 53550), (414, 50575), (425, 49266), (450, 46529), (483, 43350), (510, 41055), (525, 39882), (575, 36414), (578, 36225), (595, 35190), (630, 33235), (690, 30345), (714, 29325), (765, 27370), (782, 26775), (805, 26010), (850, 24633), (867, 24150), (966, 21675), (1035, 20230), (1050, 19941), (1071, 19550), (1150, 18207), (1173, 17850), (1190, 17595), (1275, 16422), (1445, 14490), (1449, 14450), (1530, 13685), (1575, 13294), (1610, 13005), (1725, 12138), (1734, 12075), (1785, 11730), (1955, 10710), (2023, 10350), (2070, 10115), (2142, 9775), (2346, 8925), (2415, 8670), (2550, 8211), (2601, 8050), (2737, 7650), (2890, 7245), (2898, 7225), (2975, 7038), (3150, 6647), (3450, 6069), (3519, 5950), (3570, 5865), (3825, 5474), (3910, 5355), (4025, 5202), (4046, 5175), (4335, 4830)]