20255024

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{659}}^1$

素因数の和:797

約数の個数: 40

約数和(自身を含む): 41983920

約数和(自身を除く): 21728896

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 113, 136, 226, 272, 452, 659, 904, 1318, 1808, 1921, 2636, 3842, 5272, 7684, 10544, 11203, 15368, 22406, 30736, 44812, 74467, 89624, 148934, 179248, 297868, 595736, 1191472, 1265939, 2531878, 5063756, 10127512, 20255024]

約数ペア:

[(1, 20255024), (2, 10127512), (4, 5063756), (8, 2531878), (16, 1265939), (17, 1191472), (34, 595736), (68, 297868), (113, 179248), (136, 148934), (226, 89624), (272, 74467), (452, 44812), (659, 30736), (904, 22406), (1318, 15368), (1808, 11203), (1921, 10544), (2636, 7684), (3842, 5272)]