20259512

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1637}}^1$

素因数の和:1680

約数の個数: 64

約数和(自身を含む): 49533120

約数和(自身を除く): 29273608

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 91, 104, 119, 136, 182, 221, 238, 364, 442, 476, 728, 884, 952, 1547, 1637, 1768, 3094, 3274, 6188, 6548, 11459, 12376, 13096, 21281, 22918, 27829, 42562, 45836, 55658, 85124, 91672, 111316, 148967, 170248, 194803, 222632, 297934, 361777, 389606, 595868, 723554, 779212, 1191736, 1447108, 1558424, 2532439, 2894216, 5064878, 10129756, 20259512]

約数ペア:

[(1, 20259512), (2, 10129756), (4, 5064878), (7, 2894216), (8, 2532439), (13, 1558424), (14, 1447108), (17, 1191736), (26, 779212), (28, 723554), (34, 595868), (52, 389606), (56, 361777), (68, 297934), (91, 222632), (104, 194803), (119, 170248), (136, 148967), (182, 111316), (221, 91672), (238, 85124), (364, 55658), (442, 45836), (476, 42562), (728, 27829), (884, 22918), (952, 21281), (1547, 13096), (1637, 12376), (1768, 11459), (3094, 6548), (3274, 6188)]