20172900995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{2797}}^1$

素因数の和:3000

約数の個数: 64

約数和(自身を含む): 28327936896

約数和(自身を除く): 8155035901

約数列:

[1, 5, 13, 17, 61, 65, 85, 107, 221, 305, 535, 793, 1037, 1105, 1391, 1819, 2797, 3965, 5185, 6527, 6955, 9095, 13481, 13985, 23647, 32635, 36361, 47549, 67405, 84851, 110959, 118235, 170617, 181805, 237745, 299279, 424255, 554795, 618137, 853085, 1442467, 1496395, 2218021, 2900489, 3090685, 3890627, 5087743, 7212335, 11090105, 14502445, 18256019, 19453135, 25438715, 37706357, 66140659, 91280095, 188531785, 237328247, 310352323, 330703295, 1186641235, 1551761615, 4034580199, 20172900995]

約数ペア:

[(1, 20172900995), (5, 4034580199), (13, 1551761615), (17, 1186641235), (61, 330703295), (65, 310352323), (85, 237328247), (107, 188531785), (221, 91280095), (305, 66140659), (535, 37706357), (793, 25438715), (1037, 19453135), (1105, 18256019), (1391, 14502445), (1819, 11090105), (2797, 7212335), (3965, 5087743), (5185, 3890627), (6527, 3090685), (6955, 2900489), (9095, 2218021), (13481, 1496395), (13985, 1442467), (23647, 853085), (32635, 618137), (36361, 554795), (47549, 424255), (67405, 299279), (84851, 237745), (110959, 181805), (118235, 170617)]