20131949020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{797}}^1\times {\mathrm{11587}}^1$

素因数の和:12502

約数の個数: 48

約数和(自身を含む): 42722174880

約数和(自身を除く): 22590225860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 797, 1090, 1594, 2180, 3188, 3985, 7970, 11587, 15940, 23174, 46348, 57935, 86873, 115870, 173746, 231740, 347492, 434365, 868730, 1262983, 1737460, 2525966, 5051932, 6314915, 9234839, 12629830, 18469678, 25259660, 36939356, 46174195, 92348390, 184696780, 1006597451, 2013194902, 4026389804, 5032987255, 10065974510, 20131949020]

約数ペア:

[(1, 20131949020), (2, 10065974510), (4, 5032987255), (5, 4026389804), (10, 2013194902), (20, 1006597451), (109, 184696780), (218, 92348390), (436, 46174195), (545, 36939356), (797, 25259660), (1090, 18469678), (1594, 12629830), (2180, 9234839), (3188, 6314915), (3985, 5051932), (7970, 2525966), (11587, 1737460), (15940, 1262983), (23174, 868730), (46348, 434365), (57935, 347492), (86873, 231740), (115870, 173746)]