20171750180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{587}}^1\times {\mathrm{1907}}^1$

素因数の和:2573

約数の個数: 96

約数和(自身を含む): 45800608896

約数和(自身を除く): 25628858716

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 587, 901, 1060, 1174, 1802, 1907, 2348, 2935, 3604, 3814, 4505, 5870, 7628, 9010, 9535, 9979, 11740, 18020, 19070, 19958, 31111, 32419, 38140, 39916, 49895, 62222, 64838, 99790, 101071, 124444, 129676, 155555, 162095, 199580, 202142, 311110, 324190, 404284, 505355, 528887, 622220, 648380, 1010710, 1057774, 1119409, 1718207, 2021420, 2115548, 2238818, 2644435, 3436414, 4477636, 5288870, 5597045, 6872828, 8591035, 10577740, 11194090, 17182070, 19029953, 22388180, 34364140, 38059906, 59328677, 76119812, 95149765, 118657354, 190299530, 237314708, 296643385, 380599060, 593286770, 1008587509, 1186573540, 2017175018, 4034350036, 5042937545, 10085875090, 20171750180]

約数ペア:

[(1, 20171750180), (2, 10085875090), (4, 5042937545), (5, 4034350036), (10, 2017175018), (17, 1186573540), (20, 1008587509), (34, 593286770), (53, 380599060), (68, 296643385), (85, 237314708), (106, 190299530), (170, 118657354), (212, 95149765), (265, 76119812), (340, 59328677), (530, 38059906), (587, 34364140), (901, 22388180), (1060, 19029953), (1174, 17182070), (1802, 11194090), (1907, 10577740), (2348, 8591035), (2935, 6872828), (3604, 5597045), (3814, 5288870), (4505, 4477636), (5870, 3436414), (7628, 2644435), (9010, 2238818), (9535, 2115548), (9979, 2021420), (11740, 1718207), (18020, 1119409), (19070, 1057774), (19958, 1010710), (31111, 648380), (32419, 622220), (38140, 528887), (39916, 505355), (49895, 404284), (62222, 324190), (64838, 311110), (99790, 202142), (101071, 199580), (124444, 162095), (129676, 155555)]