20140020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2729}}^1$

素因数の和:2785

約数の個数: 72

約数和(自身を含む): 62604360

約数和(自身を除く): 42464340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 2729, 3690, 5458, 7380, 8187, 10916, 13645, 16374, 24561, 27290, 32748, 40935, 49122, 54580, 81870, 98244, 111889, 122805, 163740, 223778, 245610, 335667, 447556, 491220, 559445, 671334, 1007001, 1118890, 1342668, 1678335, 2014002, 2237780, 3356670, 4028004, 5035005, 6713340, 10070010, 20140020]

約数ペア:

[(1, 20140020), (2, 10070010), (3, 6713340), (4, 5035005), (5, 4028004), (6, 3356670), (9, 2237780), (10, 2014002), (12, 1678335), (15, 1342668), (18, 1118890), (20, 1007001), (30, 671334), (36, 559445), (41, 491220), (45, 447556), (60, 335667), (82, 245610), (90, 223778), (123, 163740), (164, 122805), (180, 111889), (205, 98244), (246, 81870), (369, 54580), (410, 49122), (492, 40935), (615, 32748), (738, 27290), (820, 24561), (1230, 16374), (1476, 13645), (1845, 10916), (2460, 8187), (2729, 7380), (3690, 5458)]