20982288

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:340

約数の個数: 80

約数和(自身を含む): 57139200

約数和(自身を除く): 36156912

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 59, 62, 93, 118, 124, 177, 186, 236, 239, 248, 354, 372, 472, 478, 496, 708, 717, 744, 944, 956, 1416, 1434, 1488, 1829, 1912, 2832, 2868, 3658, 3824, 5487, 5736, 7316, 7409, 10974, 11472, 14101, 14632, 14818, 21948, 22227, 28202, 29264, 29636, 42303, 43896, 44454, 56404, 59272, 84606, 87792, 88908, 112808, 118544, 169212, 177816, 225616, 338424, 355632, 437131, 676848, 874262, 1311393, 1748524, 2622786, 3497048, 5245572, 6994096, 10491144, 20982288]

約数ペア:

[(1, 20982288), (2, 10491144), (3, 6994096), (4, 5245572), (6, 3497048), (8, 2622786), (12, 1748524), (16, 1311393), (24, 874262), (31, 676848), (48, 437131), (59, 355632), (62, 338424), (93, 225616), (118, 177816), (124, 169212), (177, 118544), (186, 112808), (236, 88908), (239, 87792), (248, 84606), (354, 59272), (372, 56404), (472, 44454), (478, 43896), (496, 42303), (708, 29636), (717, 29264), (744, 28202), (944, 22227), (956, 21948), (1416, 14818), (1434, 14632), (1488, 14101), (1829, 11472), (1912, 10974), (2832, 7409), (2868, 7316), (3658, 5736), (3824, 5487)]