20565985132004

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{81013}}^1\times {\mathrm{375533}}^1$

素因数の和:456576

約数の個数: 36

約数和(自身を含む): 38972518200756

約数和(自身を除く): 18406533068752

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 81013, 162026, 324052, 375533, 751066, 1053169, 1502132, 2106338, 4212676, 4881929, 9763858, 13691197, 19527716, 27382394, 54764788, 63465077, 126930154, 253860308, 30423054929, 60846109858, 121692219716, 395499714077, 790999428154, 1581998856308, 5141496283001, 10282992566002, 20565985132004]

約数ペア:

[(1, 20565985132004), (2, 10282992566002), (4, 5141496283001), (13, 1581998856308), (26, 790999428154), (52, 395499714077), (169, 121692219716), (338, 60846109858), (676, 30423054929), (81013, 253860308), (162026, 126930154), (324052, 63465077), (375533, 54764788), (751066, 27382394), (1053169, 19527716), (1502132, 13691197), (2106338, 9763858), (4212676, 4881929)]