20403734

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{283}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 34352640

約数和(自身を除く): 13948906

約数列:

[1, 2, 13, 26, 47, 59, 94, 118, 283, 566, 611, 767, 1222, 1534, 2773, 3679, 5546, 7358, 13301, 16697, 26602, 33394, 36049, 72098, 172913, 217061, 345826, 434122, 784759, 1569518, 10201867, 20403734]

約数ペア:

[(1, 20403734), (2, 10201867), (13, 1569518), (26, 784759), (47, 434122), (59, 345826), (94, 217061), (118, 172913), (283, 72098), (566, 36049), (611, 33394), (767, 26602), (1222, 16697), (1534, 13301), (2773, 7358), (3679, 5546)]