20112690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3967}}^1$

素因数の和:4003

約数の個数: 48

約数和(自身を含む): 52282368

約数和(自身を除く): 32169678

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 169, 195, 338, 390, 507, 845, 1014, 1690, 2535, 3967, 5070, 7934, 11901, 19835, 23802, 39670, 51571, 59505, 103142, 119010, 154713, 257855, 309426, 515710, 670423, 773565, 1340846, 1547130, 2011269, 3352115, 4022538, 6704230, 10056345, 20112690]

約数ペア:

[(1, 20112690), (2, 10056345), (3, 6704230), (5, 4022538), (6, 3352115), (10, 2011269), (13, 1547130), (15, 1340846), (26, 773565), (30, 670423), (39, 515710), (65, 309426), (78, 257855), (130, 154713), (169, 119010), (195, 103142), (338, 59505), (390, 51571), (507, 39670), (845, 23802), (1014, 19835), (1690, 11901), (2535, 7934), (3967, 5070)]