20171676852

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{220861}}^1$

素因数の和:220973

約数の個数: 72

約数和(自身を含む): 53059886880

約数和(自身を除く): 32888210028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 59, 86, 118, 129, 172, 177, 236, 258, 354, 387, 516, 531, 708, 774, 1062, 1548, 2124, 2537, 5074, 7611, 10148, 15222, 22833, 30444, 45666, 91332, 220861, 441722, 662583, 883444, 1325166, 1987749, 2650332, 3975498, 7950996, 9497023, 13030799, 18994046, 26061598, 28491069, 37988092, 39092397, 52123196, 56982138, 78184794, 85473207, 113964276, 117277191, 156369588, 170946414, 234554382, 341892828, 469108764, 560324357, 1120648714, 1680973071, 2241297428, 3361946142, 5042919213, 6723892284, 10085838426, 20171676852]

約数ペア:

[(1, 20171676852), (2, 10085838426), (3, 6723892284), (4, 5042919213), (6, 3361946142), (9, 2241297428), (12, 1680973071), (18, 1120648714), (36, 560324357), (43, 469108764), (59, 341892828), (86, 234554382), (118, 170946414), (129, 156369588), (172, 117277191), (177, 113964276), (236, 85473207), (258, 78184794), (354, 56982138), (387, 52123196), (516, 39092397), (531, 37988092), (708, 28491069), (774, 26061598), (1062, 18994046), (1548, 13030799), (2124, 9497023), (2537, 7950996), (5074, 3975498), (7611, 2650332), (10148, 1987749), (15222, 1325166), (22833, 883444), (30444, 662583), (45666, 441722), (91332, 220861)]