20129406076

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{471503}}^1$

素因数の和:472341

約数の個数: 24

約数和(自身を含む): 37982476224

約数和(自身を除く): 17853070148

約数列:

[1, 2, 4, 13, 26, 52, 821, 1642, 3284, 10673, 21346, 42692, 471503, 943006, 1886012, 6129539, 12259078, 24518156, 387103963, 774207926, 1548415852, 5032351519, 10064703038, 20129406076]

約数ペア:

[(1, 20129406076), (2, 10064703038), (4, 5032351519), (13, 1548415852), (26, 774207926), (52, 387103963), (821, 24518156), (1642, 12259078), (3284, 6129539), (10673, 1886012), (21346, 943006), (42692, 471503)]