20512991550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{449}}^1\times {\mathrm{4993}}^1$

素因数の和:5518

約数の個数: 96

約数和(自身を含む): 51831727200

約数和(自身を除く): 31318735650

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 61, 75, 122, 150, 183, 305, 366, 449, 610, 898, 915, 1347, 1525, 1830, 2245, 2694, 3050, 4490, 4575, 4993, 6735, 9150, 9986, 11225, 13470, 14979, 22450, 24965, 27389, 29958, 33675, 49930, 54778, 67350, 74895, 82167, 124825, 136945, 149790, 164334, 249650, 273890, 304573, 374475, 410835, 609146, 684725, 748950, 821670, 913719, 1369450, 1522865, 1827438, 2054175, 2241857, 3045730, 4108350, 4483714, 4568595, 6725571, 7614325, 9137190, 11209285, 13451142, 15228650, 22418570, 22842975, 33627855, 45685950, 56046425, 67255710, 112092850, 136753277, 168139275, 273506554, 336278550, 410259831, 683766385, 820519662, 1367532770, 2051299155, 3418831925, 4102598310, 6837663850, 10256495775, 20512991550]

約数ペア:

[(1, 20512991550), (2, 10256495775), (3, 6837663850), (5, 4102598310), (6, 3418831925), (10, 2051299155), (15, 1367532770), (25, 820519662), (30, 683766385), (50, 410259831), (61, 336278550), (75, 273506554), (122, 168139275), (150, 136753277), (183, 112092850), (305, 67255710), (366, 56046425), (449, 45685950), (610, 33627855), (898, 22842975), (915, 22418570), (1347, 15228650), (1525, 13451142), (1830, 11209285), (2245, 9137190), (2694, 7614325), (3050, 6725571), (4490, 4568595), (4575, 4483714), (4993, 4108350), (6735, 3045730), (9150, 2241857), (9986, 2054175), (11225, 1827438), (13470, 1522865), (14979, 1369450), (22450, 913719), (24965, 821670), (27389, 748950), (29958, 684725), (33675, 609146), (49930, 410835), (54778, 374475), (67350, 304573), (74895, 273890), (82167, 249650), (124825, 164334), (136945, 149790)]