20680764

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3083}}^1$

素因数の和:3146

約数の個数: 48

約数和(自身を含む): 53192832

約数和(自身を除く): 32512068

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 156, 172, 258, 516, 559, 1118, 1677, 2236, 3083, 3354, 6166, 6708, 9249, 12332, 18498, 36996, 40079, 80158, 120237, 132569, 160316, 240474, 265138, 397707, 480948, 530276, 795414, 1590828, 1723397, 3446794, 5170191, 6893588, 10340382, 20680764]

約数ペア:

[(1, 20680764), (2, 10340382), (3, 6893588), (4, 5170191), (6, 3446794), (12, 1723397), (13, 1590828), (26, 795414), (39, 530276), (43, 480948), (52, 397707), (78, 265138), (86, 240474), (129, 160316), (156, 132569), (172, 120237), (258, 80158), (516, 40079), (559, 36996), (1118, 18498), (1677, 12332), (2236, 9249), (3083, 6708), (3354, 6166)]