20146490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{131}}^1$

素因数の和:184

約数の個数: 64

約数和(自身を含む): 45239040

約数和(自身を除く): 25092550

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 131, 169, 182, 262, 338, 455, 655, 845, 910, 917, 1183, 1310, 1690, 1703, 1834, 2197, 2366, 3406, 4394, 4585, 5915, 8515, 9170, 10985, 11830, 11921, 15379, 17030, 21970, 22139, 23842, 30758, 44278, 59605, 76895, 110695, 119210, 153790, 154973, 221390, 287807, 309946, 575614, 774865, 1439035, 1549730, 2014649, 2878070, 4029298, 10073245, 20146490]

約数ペア:

[(1, 20146490), (2, 10073245), (5, 4029298), (7, 2878070), (10, 2014649), (13, 1549730), (14, 1439035), (26, 774865), (35, 575614), (65, 309946), (70, 287807), (91, 221390), (130, 154973), (131, 153790), (169, 119210), (182, 110695), (262, 76895), (338, 59605), (455, 44278), (655, 30758), (845, 23842), (910, 22139), (917, 21970), (1183, 17030), (1310, 15379), (1690, 11921), (1703, 11830), (1834, 10985), (2197, 9170), (2366, 8515), (3406, 5915), (4394, 4585)]