20117922

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:359

約数の個数: 64

約数和(自身を含む): 47139840

約数和(自身を除く): 27021918

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 61, 66, 114, 122, 183, 209, 263, 366, 418, 526, 627, 671, 789, 1159, 1254, 1342, 1578, 2013, 2318, 2893, 3477, 4026, 4997, 5786, 6954, 8679, 9994, 12749, 14991, 16043, 17358, 25498, 29982, 32086, 38247, 48129, 54967, 76494, 96258, 109934, 164901, 176473, 304817, 329802, 352946, 529419, 609634, 914451, 1058838, 1828902, 3352987, 6705974, 10058961, 20117922]

約数ペア:

[(1, 20117922), (2, 10058961), (3, 6705974), (6, 3352987), (11, 1828902), (19, 1058838), (22, 914451), (33, 609634), (38, 529419), (57, 352946), (61, 329802), (66, 304817), (114, 176473), (122, 164901), (183, 109934), (209, 96258), (263, 76494), (366, 54967), (418, 48129), (526, 38247), (627, 32086), (671, 29982), (789, 25498), (1159, 17358), (1254, 16043), (1342, 14991), (1578, 12749), (2013, 9994), (2318, 8679), (2893, 6954), (3477, 5786), (4026, 4997)]