20310012

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1291}}^1$

素因数の和:1343

約数の個数: 72

約数和(自身を含む): 56434560

約数和(自身を除く): 36124548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 38, 46, 57, 69, 76, 92, 114, 138, 171, 207, 228, 276, 342, 414, 437, 684, 828, 874, 1291, 1311, 1748, 2582, 2622, 3873, 3933, 5164, 5244, 7746, 7866, 11619, 15492, 15732, 23238, 24529, 29693, 46476, 49058, 59386, 73587, 89079, 98116, 118772, 147174, 178158, 220761, 267237, 294348, 356316, 441522, 534474, 564167, 883044, 1068948, 1128334, 1692501, 2256668, 3385002, 5077503, 6770004, 10155006, 20310012]

約数ペア:

[(1, 20310012), (2, 10155006), (3, 6770004), (4, 5077503), (6, 3385002), (9, 2256668), (12, 1692501), (18, 1128334), (19, 1068948), (23, 883044), (36, 564167), (38, 534474), (46, 441522), (57, 356316), (69, 294348), (76, 267237), (92, 220761), (114, 178158), (138, 147174), (171, 118772), (207, 98116), (228, 89079), (276, 73587), (342, 59386), (414, 49058), (437, 46476), (684, 29693), (828, 24529), (874, 23238), (1291, 15732), (1311, 15492), (1748, 11619), (2582, 7866), (2622, 7746), (3873, 5244), (3933, 5164)]