20120448621

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{223}}^1\times {\mathrm{25423}}^1$

素因数の和:25682

約数の個数: 48

約数和(自身を含む): 33349779456

約数和(自身を除く): 13229330835

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 223, 273, 507, 669, 1183, 1561, 2899, 3549, 4683, 8697, 20293, 25423, 37687, 60879, 76269, 113061, 177961, 263809, 330499, 533883, 791427, 991497, 2313493, 4296487, 5669329, 6940479, 12889461, 17007987, 30075409, 39685303, 73701277, 90226227, 119055909, 221103831, 515908939, 958116601, 1547726817, 2874349803, 6706816207, 20120448621]

約数ペア:

[(1, 20120448621), (3, 6706816207), (7, 2874349803), (13, 1547726817), (21, 958116601), (39, 515908939), (91, 221103831), (169, 119055909), (223, 90226227), (273, 73701277), (507, 39685303), (669, 30075409), (1183, 17007987), (1561, 12889461), (2899, 6940479), (3549, 5669329), (4683, 4296487), (8697, 2313493), (20293, 991497), (25423, 791427), (37687, 533883), (60879, 330499), (76269, 263809), (113061, 177961)]