20461233

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{521}}^1$

素因数の和:609

約数の個数: 32

約数和(自身を含む): 31570560

約数和(自身を除く): 11109327

約数列:

[1, 3, 13, 19, 39, 53, 57, 159, 247, 521, 689, 741, 1007, 1563, 2067, 3021, 6773, 9899, 13091, 20319, 27613, 29697, 39273, 82839, 128687, 358969, 386061, 524647, 1076907, 1573941, 6820411, 20461233]

約数ペア:

[(1, 20461233), (3, 6820411), (13, 1573941), (19, 1076907), (39, 524647), (53, 386061), (57, 358969), (159, 128687), (247, 82839), (521, 39273), (689, 29697), (741, 27613), (1007, 20319), (1563, 13091), (2067, 9899), (3021, 6773)]