20702058

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 47913600

約数和(自身を除く): 27211542

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 61, 78, 114, 122, 183, 229, 247, 366, 458, 494, 687, 741, 793, 1159, 1374, 1482, 1586, 2318, 2379, 2977, 3477, 4351, 4758, 5954, 6954, 8702, 8931, 13053, 13969, 15067, 17862, 26106, 27938, 30134, 41907, 45201, 56563, 83814, 90402, 113126, 169689, 181597, 265411, 339378, 363194, 530822, 544791, 796233, 1089582, 1592466, 3450343, 6900686, 10351029, 20702058]

約数ペア:

[(1, 20702058), (2, 10351029), (3, 6900686), (6, 3450343), (13, 1592466), (19, 1089582), (26, 796233), (38, 544791), (39, 530822), (57, 363194), (61, 339378), (78, 265411), (114, 181597), (122, 169689), (183, 113126), (229, 90402), (247, 83814), (366, 56563), (458, 45201), (494, 41907), (687, 30134), (741, 27938), (793, 26106), (1159, 17862), (1374, 15067), (1482, 13969), (1586, 13053), (2318, 8931), (2379, 8702), (2977, 6954), (3477, 5954), (4351, 4758)]