20386470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4021}}^1$

素因数の和:4057

約数の個数: 48

約数和(自身を含む): 52993872

約数和(自身を除く): 32607402

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 169, 195, 338, 390, 507, 845, 1014, 1690, 2535, 4021, 5070, 8042, 12063, 20105, 24126, 40210, 52273, 60315, 104546, 120630, 156819, 261365, 313638, 522730, 679549, 784095, 1359098, 1568190, 2038647, 3397745, 4077294, 6795490, 10193235, 20386470]

約数ペア:

[(1, 20386470), (2, 10193235), (3, 6795490), (5, 4077294), (6, 3397745), (10, 2038647), (13, 1568190), (15, 1359098), (26, 784095), (30, 679549), (39, 522730), (65, 313638), (78, 261365), (130, 156819), (169, 120630), (195, 104546), (338, 60315), (390, 52273), (507, 40210), (845, 24126), (1014, 20105), (1690, 12063), (2535, 8042), (4021, 5070)]