20647510170

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{4561}}^1\times {\mathrm{21557}}^1$

素因数の和:26135

約数の個数: 64

約数和(自身を含む): 56648215296

約数和(自身を除く): 36000705126

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 4561, 9122, 13683, 21557, 22805, 27366, 31927, 43114, 45610, 63854, 64671, 68415, 95781, 107785, 129342, 136830, 150899, 159635, 191562, 215570, 301798, 319270, 323355, 452697, 478905, 646710, 754495, 905394, 957810, 1508990, 2263485, 4526970, 98321477, 196642954, 294964431, 491607385, 589928862, 688250339, 983214770, 1376500678, 1474822155, 2064751017, 2949644310, 3441251695, 4129502034, 6882503390, 10323755085, 20647510170]

約数ペア:

[(1, 20647510170), (2, 10323755085), (3, 6882503390), (5, 4129502034), (6, 3441251695), (7, 2949644310), (10, 2064751017), (14, 1474822155), (15, 1376500678), (21, 983214770), (30, 688250339), (35, 589928862), (42, 491607385), (70, 294964431), (105, 196642954), (210, 98321477), (4561, 4526970), (9122, 2263485), (13683, 1508990), (21557, 957810), (22805, 905394), (27366, 754495), (31927, 646710), (43114, 478905), (45610, 452697), (63854, 323355), (64671, 319270), (68415, 301798), (95781, 215570), (107785, 191562), (129342, 159635), (136830, 150899)]