20105304490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^2\times {\mathrm{22193}}^1$

素因数の和:22363

約数の個数: 48

約数和(自身を含む): 38852194968

約数和(自身を除く): 18746890478

約数列:

[1, 2, 5, 10, 17, 34, 73, 85, 146, 170, 365, 730, 1241, 2482, 5329, 6205, 10658, 12410, 22193, 26645, 44386, 53290, 90593, 110965, 181186, 221930, 377281, 452965, 754562, 905930, 1620089, 1886405, 3240178, 3772810, 8100445, 16200890, 27541513, 55083026, 118266497, 137707565, 236532994, 275415130, 591332485, 1182664970, 2010530449, 4021060898, 10052652245, 20105304490]

約数ペア:

[(1, 20105304490), (2, 10052652245), (5, 4021060898), (10, 2010530449), (17, 1182664970), (34, 591332485), (73, 275415130), (85, 236532994), (146, 137707565), (170, 118266497), (365, 55083026), (730, 27541513), (1241, 16200890), (2482, 8100445), (5329, 3772810), (6205, 3240178), (10658, 1886405), (12410, 1620089), (22193, 905930), (26645, 754562), (44386, 452965), (53290, 377281), (90593, 221930), (110965, 181186)]