20000526

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5233}}^1$

素因数の和:5265

約数の個数: 48

約数和(自身を含む): 50120784

約数和(自身を除く): 30120258

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 546, 637, 1274, 1911, 3822, 5233, 10466, 15699, 31398, 36631, 68029, 73262, 109893, 136058, 204087, 219786, 256417, 408174, 476203, 512834, 769251, 952406, 1428609, 1538502, 2857218, 3333421, 6666842, 10000263, 20000526]

約数ペア:

[(1, 20000526), (2, 10000263), (3, 6666842), (6, 3333421), (7, 2857218), (13, 1538502), (14, 1428609), (21, 952406), (26, 769251), (39, 512834), (42, 476203), (49, 408174), (78, 256417), (91, 219786), (98, 204087), (147, 136058), (182, 109893), (273, 73262), (294, 68029), (546, 36631), (637, 31398), (1274, 15699), (1911, 10466), (3822, 5233)]