20565013595

素因数分解:

$5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{521}}^1\times {\mathrm{2207}}^1$

素因数の和:2820

約数の個数: 48

約数和(自身を含む): 29169393408

約数和(自身を除く): 8604379813

約数列:

[1, 5, 7, 35, 49, 73, 245, 365, 511, 521, 2207, 2555, 2605, 3577, 3647, 11035, 15449, 17885, 18235, 25529, 38033, 77245, 108143, 127645, 161111, 190165, 266231, 540715, 805555, 1127777, 1149847, 1331155, 1863617, 5638885, 5749235, 7894439, 8048929, 9318085, 39472195, 40244645, 56342503, 83938831, 281712515, 419694155, 587571817, 2937859085, 4113002719, 20565013595]

約数ペア:

[(1, 20565013595), (5, 4113002719), (7, 2937859085), (35, 587571817), (49, 419694155), (73, 281712515), (245, 83938831), (365, 56342503), (511, 40244645), (521, 39472195), (2207, 9318085), (2555, 8048929), (2605, 7894439), (3577, 5749235), (3647, 5638885), (11035, 1863617), (15449, 1331155), (17885, 1149847), (18235, 1127777), (25529, 805555), (38033, 540715), (77245, 266231), (108143, 190165), (127645, 161111)]