20553688948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{10391}}^1\times {\mathrm{38039}}^1$

素因数の和:48447

約数の個数: 24

約数和(自身を含む): 38740544640

約数和(自身を除く): 18186855692

約数列:

[1, 2, 4, 13, 26, 52, 10391, 20782, 38039, 41564, 76078, 135083, 152156, 270166, 494507, 540332, 989014, 1978028, 395263249, 790526498, 1581052996, 5138422237, 10276844474, 20553688948]

約数ペア:

[(1, 20553688948), (2, 10276844474), (4, 5138422237), (13, 1581052996), (26, 790526498), (52, 395263249), (10391, 1978028), (20782, 989014), (38039, 540332), (41564, 494507), (76078, 270166), (135083, 152156)]