20565404912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1181}}^1\times {\mathrm{83719}}^1$

素因数の和:84921

約数の個数: 40

約数和(自身を含む): 42947355360

約数和(自身を除く): 22381950448

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1181, 2362, 4724, 9448, 15353, 18896, 30706, 61412, 83719, 122824, 167438, 245648, 334876, 669752, 1088347, 1339504, 2176694, 4353388, 8706776, 17413552, 98872139, 197744278, 395488556, 790977112, 1285337807, 1581954224, 2570675614, 5141351228, 10282702456, 20565404912]

約数ペア:

[(1, 20565404912), (2, 10282702456), (4, 5141351228), (8, 2570675614), (13, 1581954224), (16, 1285337807), (26, 790977112), (52, 395488556), (104, 197744278), (208, 98872139), (1181, 17413552), (2362, 8706776), (4724, 4353388), (9448, 2176694), (15353, 1339504), (18896, 1088347), (30706, 669752), (61412, 334876), (83719, 245648), (122824, 167438)]