20156696

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{683}}^1$

素因数の和:744

約数の個数: 64

約数和(自身を含む): 47278080

約数和(自身を除く): 27121384

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 31, 34, 56, 62, 68, 119, 124, 136, 217, 238, 248, 434, 476, 527, 683, 868, 952, 1054, 1366, 1736, 2108, 2732, 3689, 4216, 4781, 5464, 7378, 9562, 11611, 14756, 19124, 21173, 23222, 29512, 38248, 42346, 46444, 81277, 84692, 92888, 148211, 162554, 169384, 296422, 325108, 359941, 592844, 650216, 719882, 1185688, 1439764, 2519587, 2879528, 5039174, 10078348, 20156696]

約数ペア:

[(1, 20156696), (2, 10078348), (4, 5039174), (7, 2879528), (8, 2519587), (14, 1439764), (17, 1185688), (28, 719882), (31, 650216), (34, 592844), (56, 359941), (62, 325108), (68, 296422), (119, 169384), (124, 162554), (136, 148211), (217, 92888), (238, 84692), (248, 81277), (434, 46444), (476, 42346), (527, 38248), (683, 29512), (868, 23222), (952, 21173), (1054, 19124), (1366, 14756), (1736, 11611), (2108, 9562), (2732, 7378), (3689, 5464), (4216, 4781)]