20307390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1549}}^1$

素因数の和:1601

約数の個数: 64

約数和(自身を含む): 53568000

約数和(自身を除く): 33260610

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 23, 30, 38, 46, 57, 69, 95, 114, 115, 138, 190, 230, 285, 345, 437, 570, 690, 874, 1311, 1549, 2185, 2622, 3098, 4370, 4647, 6555, 7745, 9294, 13110, 15490, 23235, 29431, 35627, 46470, 58862, 71254, 88293, 106881, 147155, 176586, 178135, 213762, 294310, 356270, 441465, 534405, 676913, 882930, 1068810, 1353826, 2030739, 3384565, 4061478, 6769130, 10153695, 20307390]

約数ペア:

[(1, 20307390), (2, 10153695), (3, 6769130), (5, 4061478), (6, 3384565), (10, 2030739), (15, 1353826), (19, 1068810), (23, 882930), (30, 676913), (38, 534405), (46, 441465), (57, 356270), (69, 294310), (95, 213762), (114, 178135), (115, 176586), (138, 147155), (190, 106881), (230, 88293), (285, 71254), (345, 58862), (437, 46470), (570, 35627), (690, 29431), (874, 23235), (1311, 15490), (1549, 13110), (2185, 9294), (2622, 7745), (3098, 6555), (4370, 4647)]