20735348520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{642359}}^1$

素因数の和:642642

約数の個数: 64

約数和(自身を含む): 62437392000

約数和(自身を除く): 41702043480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 269, 538, 807, 1076, 1345, 1614, 2152, 2690, 3228, 4035, 5380, 6456, 8070, 10760, 16140, 32280, 642359, 1284718, 1927077, 2569436, 3211795, 3854154, 5138872, 6423590, 7708308, 9635385, 12847180, 15416616, 19270770, 25694360, 38541540, 77083080, 172794571, 345589142, 518383713, 691178284, 863972855, 1036767426, 1382356568, 1727945710, 2073534852, 2591918565, 3455891420, 4147069704, 5183837130, 6911782840, 10367674260, 20735348520]

約数ペア:

[(1, 20735348520), (2, 10367674260), (3, 6911782840), (4, 5183837130), (5, 4147069704), (6, 3455891420), (8, 2591918565), (10, 2073534852), (12, 1727945710), (15, 1382356568), (20, 1036767426), (24, 863972855), (30, 691178284), (40, 518383713), (60, 345589142), (120, 172794571), (269, 77083080), (538, 38541540), (807, 25694360), (1076, 19270770), (1345, 15416616), (1614, 12847180), (2152, 9635385), (2690, 7708308), (3228, 6423590), (4035, 5138872), (5380, 3854154), (6456, 3211795), (8070, 2569436), (10760, 1927077), (16140, 1284718), (32280, 642359)]