20113080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12893}}^1$

素因数の和:12920

約数の個数: 64

約数和(自身を含む): 64985760

約数和(自身を除く): 44872680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 12893, 25786, 38679, 51572, 64465, 77358, 103144, 128930, 154716, 167609, 193395, 257860, 309432, 335218, 386790, 502827, 515720, 670436, 773580, 838045, 1005654, 1340872, 1547160, 1676090, 2011308, 2514135, 3352180, 4022616, 5028270, 6704360, 10056540, 20113080]

約数ペア:

[(1, 20113080), (2, 10056540), (3, 6704360), (4, 5028270), (5, 4022616), (6, 3352180), (8, 2514135), (10, 2011308), (12, 1676090), (13, 1547160), (15, 1340872), (20, 1005654), (24, 838045), (26, 773580), (30, 670436), (39, 515720), (40, 502827), (52, 386790), (60, 335218), (65, 309432), (78, 257860), (104, 193395), (120, 167609), (130, 154716), (156, 128930), (195, 103144), (260, 77358), (312, 64465), (390, 51572), (520, 38679), (780, 25786), (1560, 12893)]