20043156

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:493

約数の個数: 72

約数和(自身を含む): 55157760

約数和(自身を除く): 35114604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 89, 98, 147, 178, 196, 267, 294, 356, 383, 534, 588, 623, 766, 1068, 1149, 1246, 1532, 1869, 2298, 2492, 2681, 3738, 4361, 4596, 5362, 7476, 8043, 8722, 10724, 13083, 16086, 17444, 18767, 26166, 32172, 34087, 37534, 52332, 56301, 68174, 75068, 102261, 112602, 136348, 204522, 225204, 238609, 409044, 477218, 715827, 954436, 1431654, 1670263, 2863308, 3340526, 5010789, 6681052, 10021578, 20043156]

約数ペア:

[(1, 20043156), (2, 10021578), (3, 6681052), (4, 5010789), (6, 3340526), (7, 2863308), (12, 1670263), (14, 1431654), (21, 954436), (28, 715827), (42, 477218), (49, 409044), (84, 238609), (89, 225204), (98, 204522), (147, 136348), (178, 112602), (196, 102261), (267, 75068), (294, 68174), (356, 56301), (383, 52332), (534, 37534), (588, 34087), (623, 32172), (766, 26166), (1068, 18767), (1149, 17444), (1246, 16086), (1532, 13083), (1869, 10724), (2298, 8722), (2492, 8043), (2681, 7476), (3738, 5362), (4361, 4596)]