20797182015

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{553043}}^1$

素因数の和:553183

約数の個数: 32

約数和(自身を含む): 35040867840

約数和(自身を除く): 14243685825

約数列:

[1, 3, 5, 15, 23, 69, 109, 115, 327, 345, 545, 1635, 2507, 7521, 12535, 37605, 553043, 1659129, 2765215, 8295645, 12719989, 38159967, 60281687, 63599945, 180845061, 190799835, 301408435, 904225305, 1386478801, 4159436403, 6932394005, 20797182015]

約数ペア:

[(1, 20797182015), (3, 6932394005), (5, 4159436403), (15, 1386478801), (23, 904225305), (69, 301408435), (109, 190799835), (115, 180845061), (327, 63599945), (345, 60281687), (545, 38159967), (1635, 12719989), (2507, 8295645), (7521, 2765215), (12535, 1659129), (37605, 553043)]