20952450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{461}}^1$

素因数の和:580

約数の個数: 72

約数和(自身を含む): 56972916

約数和(自身を除く): 36020466

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 101, 150, 202, 225, 303, 450, 461, 505, 606, 909, 922, 1010, 1383, 1515, 1818, 2305, 2525, 2766, 3030, 4149, 4545, 4610, 5050, 6915, 7575, 8298, 9090, 11525, 13830, 15150, 20745, 22725, 23050, 34575, 41490, 45450, 46561, 69150, 93122, 103725, 139683, 207450, 232805, 279366, 419049, 465610, 698415, 838098, 1164025, 1396830, 2095245, 2328050, 3492075, 4190490, 6984150, 10476225, 20952450]

約数ペア:

[(1, 20952450), (2, 10476225), (3, 6984150), (5, 4190490), (6, 3492075), (9, 2328050), (10, 2095245), (15, 1396830), (18, 1164025), (25, 838098), (30, 698415), (45, 465610), (50, 419049), (75, 279366), (90, 232805), (101, 207450), (150, 139683), (202, 103725), (225, 93122), (303, 69150), (450, 46561), (461, 45450), (505, 41490), (606, 34575), (909, 23050), (922, 22725), (1010, 20745), (1383, 15150), (1515, 13830), (1818, 11525), (2305, 9090), (2525, 8298), (2766, 7575), (3030, 6915), (4149, 5050), (4545, 4610)]