20346570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{683}}^1$

素因数の和:1027

約数の個数: 48

約数和(自身を含む): 53138592

約数和(自身を除く): 32792022

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 331, 662, 683, 993, 1366, 1655, 1986, 2049, 2979, 3310, 3415, 4098, 4965, 5958, 6147, 6830, 9930, 10245, 12294, 14895, 20490, 29790, 30735, 61470, 226073, 452146, 678219, 1130365, 1356438, 2034657, 2260730, 3391095, 4069314, 6782190, 10173285, 20346570]

約数ペア:

[(1, 20346570), (2, 10173285), (3, 6782190), (5, 4069314), (6, 3391095), (9, 2260730), (10, 2034657), (15, 1356438), (18, 1130365), (30, 678219), (45, 452146), (90, 226073), (331, 61470), (662, 30735), (683, 29790), (993, 20490), (1366, 14895), (1655, 12294), (1986, 10245), (2049, 9930), (2979, 6830), (3310, 6147), (3415, 5958), (4098, 4965)]