20218497615

素因数分解:

$3^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{691}}^1\times {\mathrm{1123}}^1$

素因数の和:2021

約数の個数: 64

約数和(自身を含む): 36214740480

約数和(自身を除く): 15996242865

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 193, 579, 691, 965, 1123, 1737, 2073, 2895, 3369, 3455, 5211, 5615, 6219, 8685, 10107, 10365, 16845, 18657, 26055, 30321, 31095, 50535, 93285, 133363, 151605, 216739, 400089, 650217, 666815, 775993, 1083695, 1200267, 1950651, 2000445, 2327979, 3251085, 3600801, 3879965, 5851953, 6001335, 6983937, 9753255, 11639895, 18004005, 20951811, 29259765, 34919685, 104759055, 149766649, 449299947, 748833245, 1347899841, 2246499735, 4043699523, 6739499205, 20218497615]

約数ペア:

[(1, 20218497615), (3, 6739499205), (5, 4043699523), (9, 2246499735), (15, 1347899841), (27, 748833245), (45, 449299947), (135, 149766649), (193, 104759055), (579, 34919685), (691, 29259765), (965, 20951811), (1123, 18004005), (1737, 11639895), (2073, 9753255), (2895, 6983937), (3369, 6001335), (3455, 5851953), (5211, 3879965), (5615, 3600801), (6219, 3251085), (8685, 2327979), (10107, 2000445), (10365, 1950651), (16845, 1200267), (18657, 1083695), (26055, 775993), (30321, 666815), (31095, 650217), (50535, 400089), (93285, 216739), (133363, 151605)]