20421390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3257}}^1$

素因数の和:3297

約数の個数: 64

約数和(自身を含む): 56298240

約数和(自身を除く): 35876850

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 30, 33, 38, 55, 57, 66, 95, 110, 114, 165, 190, 209, 285, 330, 418, 570, 627, 1045, 1254, 2090, 3135, 3257, 6270, 6514, 9771, 16285, 19542, 32570, 35827, 48855, 61883, 71654, 97710, 107481, 123766, 179135, 185649, 214962, 309415, 358270, 371298, 537405, 618830, 680713, 928245, 1074810, 1361426, 1856490, 2042139, 3403565, 4084278, 6807130, 10210695, 20421390]

約数ペア:

[(1, 20421390), (2, 10210695), (3, 6807130), (5, 4084278), (6, 3403565), (10, 2042139), (11, 1856490), (15, 1361426), (19, 1074810), (22, 928245), (30, 680713), (33, 618830), (38, 537405), (55, 371298), (57, 358270), (66, 309415), (95, 214962), (110, 185649), (114, 179135), (165, 123766), (190, 107481), (209, 97710), (285, 71654), (330, 61883), (418, 48855), (570, 35827), (627, 32570), (1045, 19542), (1254, 16285), (2090, 9771), (3135, 6514), (3257, 6270)]