20255172

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:201

約数の個数: 96

約数和(自身を含む): 56663040

約数和(自身を除く): 36407868

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 59, 61, 67, 84, 118, 122, 134, 177, 183, 201, 236, 244, 268, 354, 366, 402, 413, 427, 469, 708, 732, 804, 826, 854, 938, 1239, 1281, 1407, 1652, 1708, 1876, 2478, 2562, 2814, 3599, 3953, 4087, 4956, 5124, 5628, 7198, 7906, 8174, 10797, 11859, 12261, 14396, 15812, 16348, 21594, 23718, 24522, 25193, 27671, 28609, 43188, 47436, 49044, 50386, 55342, 57218, 75579, 83013, 85827, 100772, 110684, 114436, 151158, 166026, 171654, 241133, 302316, 332052, 343308, 482266, 723399, 964532, 1446798, 1687931, 2893596, 3375862, 5063793, 6751724, 10127586, 20255172]

約数ペア:

[(1, 20255172), (2, 10127586), (3, 6751724), (4, 5063793), (6, 3375862), (7, 2893596), (12, 1687931), (14, 1446798), (21, 964532), (28, 723399), (42, 482266), (59, 343308), (61, 332052), (67, 302316), (84, 241133), (118, 171654), (122, 166026), (134, 151158), (177, 114436), (183, 110684), (201, 100772), (236, 85827), (244, 83013), (268, 75579), (354, 57218), (366, 55342), (402, 50386), (413, 49044), (427, 47436), (469, 43188), (708, 28609), (732, 27671), (804, 25193), (826, 24522), (854, 23718), (938, 21594), (1239, 16348), (1281, 15812), (1407, 14396), (1652, 12261), (1708, 11859), (1876, 10797), (2478, 8174), (2562, 7906), (2814, 7198), (3599, 5628), (3953, 5124), (4087, 4956)]