20264505

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{22147}}^1$

素因数の和:22216

約数の個数: 16

約数和(自身を含む): 32956224

約数和(自身を除く): 12691719

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 22147, 66441, 110735, 332205, 1350967, 4052901, 6754835, 20264505]

約数ペア:

[(1, 20264505), (3, 6754835), (5, 4052901), (15, 1350967), (61, 332205), (183, 110735), (305, 66441), (915, 22147)]