20131540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7039}}^1$

素因数の和:7072

約数の個数: 48

約数和(自身を含む): 49674240

約数和(自身を除く): 29542700

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 7039, 14078, 28156, 35195, 70390, 77429, 91507, 140780, 154858, 183014, 309716, 366028, 387145, 457535, 774290, 915070, 1006577, 1548580, 1830140, 2013154, 4026308, 5032885, 10065770, 20131540]

約数ペア:

[(1, 20131540), (2, 10065770), (4, 5032885), (5, 4026308), (10, 2013154), (11, 1830140), (13, 1548580), (20, 1006577), (22, 915070), (26, 774290), (44, 457535), (52, 387145), (55, 366028), (65, 309716), (110, 183014), (130, 154858), (143, 140780), (220, 91507), (260, 77429), (286, 70390), (572, 35195), (715, 28156), (1430, 14078), (2860, 7039)]