20105100715

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{1877}}^1$

素因数の和:2152

約数の個数: 64

約数和(自身を含む): 29174204160

約数和(自身を除く): 9069103445

約数列:

[1, 5, 7, 29, 35, 61, 145, 173, 203, 305, 427, 865, 1015, 1211, 1769, 1877, 2135, 5017, 6055, 8845, 9385, 10553, 12383, 13139, 25085, 35119, 52765, 54433, 61915, 65695, 73871, 114497, 175595, 272165, 306037, 324721, 369355, 381031, 572485, 801479, 1530185, 1623605, 1905155, 2142259, 2273047, 3320413, 4007395, 9416909, 10711295, 11365235, 16602065, 19807981, 23242891, 47084545, 65918363, 99039905, 116214455, 138655867, 329591815, 574431449, 693279335, 2872157245, 4021020143, 20105100715]

約数ペア:

[(1, 20105100715), (5, 4021020143), (7, 2872157245), (29, 693279335), (35, 574431449), (61, 329591815), (145, 138655867), (173, 116214455), (203, 99039905), (305, 65918363), (427, 47084545), (865, 23242891), (1015, 19807981), (1211, 16602065), (1769, 11365235), (1877, 10711295), (2135, 9416909), (5017, 4007395), (6055, 3320413), (8845, 2273047), (9385, 2142259), (10553, 1905155), (12383, 1623605), (13139, 1530185), (25085, 801479), (35119, 572485), (52765, 381031), (54433, 369355), (61915, 324721), (65695, 306037), (73871, 272165), (114497, 175595)]