20390436

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:214

約数の個数: 108

約数和(自身を含む): 58868992

約数和(自身を除く): 38478556

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 31, 33, 36, 44, 62, 66, 93, 99, 121, 124, 132, 151, 186, 198, 242, 279, 302, 341, 363, 372, 396, 453, 484, 558, 604, 682, 726, 906, 1023, 1089, 1116, 1359, 1364, 1452, 1661, 1812, 2046, 2178, 2718, 3069, 3322, 3751, 4092, 4356, 4681, 4983, 5436, 6138, 6644, 7502, 9362, 9966, 11253, 12276, 14043, 14949, 15004, 18271, 18724, 19932, 22506, 28086, 29898, 33759, 36542, 42129, 45012, 51491, 54813, 56172, 59796, 67518, 73084, 84258, 102982, 109626, 135036, 154473, 164439, 168516, 205964, 219252, 308946, 328878, 463419, 566401, 617892, 657756, 926838, 1132802, 1699203, 1853676, 2265604, 3398406, 5097609, 6796812, 10195218, 20390436]

約数ペア:

[(1, 20390436), (2, 10195218), (3, 6796812), (4, 5097609), (6, 3398406), (9, 2265604), (11, 1853676), (12, 1699203), (18, 1132802), (22, 926838), (31, 657756), (33, 617892), (36, 566401), (44, 463419), (62, 328878), (66, 308946), (93, 219252), (99, 205964), (121, 168516), (124, 164439), (132, 154473), (151, 135036), (186, 109626), (198, 102982), (242, 84258), (279, 73084), (302, 67518), (341, 59796), (363, 56172), (372, 54813), (396, 51491), (453, 45012), (484, 42129), (558, 36542), (604, 33759), (682, 29898), (726, 28086), (906, 22506), (1023, 19932), (1089, 18724), (1116, 18271), (1359, 15004), (1364, 14949), (1452, 14043), (1661, 12276), (1812, 11253), (2046, 9966), (2178, 9362), (2718, 7502), (3069, 6644), (3322, 6138), (3751, 5436), (4092, 4983), (4356, 4681)]