20686075460

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{5415203}}^1$

素因数の和:5415403

約数の個数: 24

約数和(自身を含む): 43668205056

約数和(自身を除く): 22982129596

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 5415203, 10830406, 21660812, 27076015, 54152030, 108304060, 1034303773, 2068607546, 4137215092, 5171518865, 10343037730, 20686075460]

約数ペア:

[(1, 20686075460), (2, 10343037730), (4, 5171518865), (5, 4137215092), (10, 2068607546), (20, 1034303773), (191, 108304060), (382, 54152030), (764, 27076015), (955, 21660812), (1910, 10830406), (3820, 5415203)]