20172334

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:185

約数の個数: 64

約数和(自身を含む): 39997440

約数和(自身を除く): 19825106

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 61, 79, 91, 122, 158, 161, 182, 299, 322, 427, 553, 598, 793, 854, 1027, 1106, 1403, 1586, 1817, 2054, 2093, 2806, 3634, 4186, 4819, 5551, 7189, 9638, 9821, 11102, 12719, 14378, 18239, 19642, 23621, 25438, 33733, 36478, 47242, 62647, 67466, 110837, 125294, 127673, 165347, 221674, 255346, 330694, 438529, 775859, 877058, 1440881, 1551718, 2881762, 10086167, 20172334]

約数ペア:

[(1, 20172334), (2, 10086167), (7, 2881762), (13, 1551718), (14, 1440881), (23, 877058), (26, 775859), (46, 438529), (61, 330694), (79, 255346), (91, 221674), (122, 165347), (158, 127673), (161, 125294), (182, 110837), (299, 67466), (322, 62647), (427, 47242), (553, 36478), (598, 33733), (793, 25438), (854, 23621), (1027, 19642), (1106, 18239), (1403, 14378), (1586, 12719), (1817, 11102), (2054, 9821), (2093, 9638), (2806, 7189), (3634, 5551), (4186, 4819)]