20285195

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 29417472

約数和(自身を除く): 9132277

約数列:

[1, 5, 7, 23, 35, 113, 115, 161, 223, 565, 791, 805, 1115, 1561, 2599, 3955, 5129, 7805, 12995, 18193, 25199, 25645, 35903, 90965, 125995, 176393, 179515, 579577, 881965, 2897885, 4057039, 20285195]

約数ペア:

[(1, 20285195), (5, 4057039), (7, 2897885), (23, 881965), (35, 579577), (113, 179515), (115, 176393), (161, 125995), (223, 90965), (565, 35903), (791, 25645), (805, 25199), (1115, 18193), (1561, 12995), (2599, 7805), (3955, 5129)]