20187645

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{22063}}^1$

素因数の和:22132

約数の個数: 16

約数和(自身を含む): 32831232

約数和(自身を除く): 12643587

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 22063, 66189, 110315, 330945, 1345843, 4037529, 6729215, 20187645]

約数ペア:

[(1, 20187645), (3, 6729215), (5, 4037529), (15, 1345843), (61, 330945), (183, 110315), (305, 66189), (915, 22063)]