20172054105

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{7115363}}^1$

素因数の和:7115387

約数の個数: 40

約数和(自身を含む): 41326034112

約数和(自身を除く): 21153980007

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 7115363, 21346089, 35576815, 49807541, 64038267, 106730445, 149422623, 192114801, 249037705, 320191335, 448267869, 576344403, 747113115, 960574005, 1344803607, 2241339345, 2881722015, 4034410821, 6724018035, 20172054105]

約数ペア:

[(1, 20172054105), (3, 6724018035), (5, 4034410821), (7, 2881722015), (9, 2241339345), (15, 1344803607), (21, 960574005), (27, 747113115), (35, 576344403), (45, 448267869), (63, 320191335), (81, 249037705), (105, 192114801), (135, 149422623), (189, 106730445), (315, 64038267), (405, 49807541), (567, 35576815), (945, 21346089), (2835, 7115363)]