20551650

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1$

素因数の和:105

約数の個数: 144

約数和(自身を含む): 62537664

約数和(自身を除く): 41986014

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 25, 30, 35, 37, 42, 46, 50, 69, 70, 74, 75, 105, 111, 115, 138, 150, 161, 175, 185, 210, 222, 230, 259, 322, 345, 350, 370, 483, 518, 525, 529, 555, 575, 690, 777, 805, 851, 925, 966, 1050, 1058, 1110, 1150, 1295, 1554, 1587, 1610, 1702, 1725, 1850, 2415, 2553, 2590, 2645, 2775, 3174, 3450, 3703, 3885, 4025, 4255, 4830, 5106, 5290, 5550, 5957, 6475, 7406, 7770, 7935, 8050, 8510, 11109, 11914, 12075, 12765, 12950, 13225, 15870, 17871, 18515, 19425, 19573, 21275, 22218, 24150, 25530, 26450, 29785, 35742, 37030, 38850, 39146, 39675, 42550, 55545, 58719, 59570, 63825, 79350, 89355, 92575, 97865, 111090, 117438, 127650, 137011, 148925, 178710, 185150, 195730, 274022, 277725, 293595, 297850, 411033, 446775, 489325, 555450, 587190, 685055, 822066, 893550, 978650, 1370110, 1467975, 2055165, 2935950, 3425275, 4110330, 6850550, 10275825, 20551650]

約数ペア:

[(1, 20551650), (2, 10275825), (3, 6850550), (5, 4110330), (6, 3425275), (7, 2935950), (10, 2055165), (14, 1467975), (15, 1370110), (21, 978650), (23, 893550), (25, 822066), (30, 685055), (35, 587190), (37, 555450), (42, 489325), (46, 446775), (50, 411033), (69, 297850), (70, 293595), (74, 277725), (75, 274022), (105, 195730), (111, 185150), (115, 178710), (138, 148925), (150, 137011), (161, 127650), (175, 117438), (185, 111090), (210, 97865), (222, 92575), (230, 89355), (259, 79350), (322, 63825), (345, 59570), (350, 58719), (370, 55545), (483, 42550), (518, 39675), (525, 39146), (529, 38850), (555, 37030), (575, 35742), (690, 29785), (777, 26450), (805, 25530), (851, 24150), (925, 22218), (966, 21275), (1050, 19573), (1058, 19425), (1110, 18515), (1150, 17871), (1295, 15870), (1554, 13225), (1587, 12950), (1610, 12765), (1702, 12075), (1725, 11914), (1850, 11109), (2415, 8510), (2553, 8050), (2590, 7935), (2645, 7770), (2775, 7406), (3174, 6475), (3450, 5957), (3703, 5550), (3885, 5290), (4025, 5106), (4255, 4830)]