20118930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{653}}^1$

素因数の和:755

約数の個数: 64

約数和(自身を含む): 52738560

約数和(自身を除く): 32619630

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 79, 130, 158, 195, 237, 390, 395, 474, 653, 790, 1027, 1185, 1306, 1959, 2054, 2370, 3081, 3265, 3918, 5135, 6162, 6530, 8489, 9795, 10270, 15405, 16978, 19590, 25467, 30810, 42445, 50934, 51587, 84890, 103174, 127335, 154761, 254670, 257935, 309522, 515870, 670631, 773805, 1341262, 1547610, 2011893, 3353155, 4023786, 6706310, 10059465, 20118930]

約数ペア:

[(1, 20118930), (2, 10059465), (3, 6706310), (5, 4023786), (6, 3353155), (10, 2011893), (13, 1547610), (15, 1341262), (26, 773805), (30, 670631), (39, 515870), (65, 309522), (78, 257935), (79, 254670), (130, 154761), (158, 127335), (195, 103174), (237, 84890), (390, 51587), (395, 50934), (474, 42445), (653, 30810), (790, 25467), (1027, 19590), (1185, 16978), (1306, 15405), (1959, 10270), (2054, 9795), (2370, 8489), (3081, 6530), (3265, 6162), (3918, 5135)]