20199333910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1\times {\mathrm{10301}}^1$

素因数の和:10681

約数の個数: 64

約数和(自身を含む): 42101389440

約数和(自身を除く): 21902055530

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 257, 514, 545, 763, 1090, 1285, 1526, 1799, 2570, 3598, 3815, 7630, 8995, 10301, 17990, 20602, 28013, 51505, 56026, 72107, 103010, 140065, 144214, 196091, 280130, 360535, 392182, 721070, 980455, 1122809, 1960910, 2245618, 2647357, 5294714, 5614045, 7859663, 11228090, 13236785, 15719326, 18531499, 26473570, 37062998, 39298315, 78596630, 92657495, 185314990, 288561913, 577123826, 1442809565, 2019933391, 2885619130, 4039866782, 10099666955, 20199333910]

約数ペア:

[(1, 20199333910), (2, 10099666955), (5, 4039866782), (7, 2885619130), (10, 2019933391), (14, 1442809565), (35, 577123826), (70, 288561913), (109, 185314990), (218, 92657495), (257, 78596630), (514, 39298315), (545, 37062998), (763, 26473570), (1090, 18531499), (1285, 15719326), (1526, 13236785), (1799, 11228090), (2570, 7859663), (3598, 5614045), (3815, 5294714), (7630, 2647357), (8995, 2245618), (10301, 1960910), (17990, 1122809), (20602, 980455), (28013, 721070), (51505, 392182), (56026, 360535), (72107, 280130), (103010, 196091), (140065, 144214)]