20624230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 44089920

約数和(自身を除く): 23465690

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 41, 55, 82, 85, 110, 170, 187, 205, 269, 374, 410, 451, 538, 697, 902, 935, 1345, 1394, 1870, 2255, 2690, 2959, 3485, 4510, 4573, 5918, 6970, 7667, 9146, 11029, 14795, 15334, 22058, 22865, 29590, 38335, 45730, 50303, 55145, 76670, 100606, 110290, 121319, 187493, 242638, 251515, 374986, 503030, 606595, 937465, 1213190, 1874930, 2062423, 4124846, 10312115, 20624230]

約数ペア:

[(1, 20624230), (2, 10312115), (5, 4124846), (10, 2062423), (11, 1874930), (17, 1213190), (22, 937465), (34, 606595), (41, 503030), (55, 374986), (82, 251515), (85, 242638), (110, 187493), (170, 121319), (187, 110290), (205, 100606), (269, 76670), (374, 55145), (410, 50303), (451, 45730), (538, 38335), (697, 29590), (902, 22865), (935, 22058), (1345, 15334), (1394, 14795), (1870, 11029), (2255, 9146), (2690, 7667), (2959, 6970), (3485, 5918), (4510, 4573)]