20306778

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{491}}^1$

素因数の和:670

約数の個数: 32

約数和(自身を含む): 41729472

約数和(自身を除く): 21422694

約数列:

[1, 2, 3, 6, 61, 113, 122, 183, 226, 339, 366, 491, 678, 982, 1473, 2946, 6893, 13786, 20679, 29951, 41358, 55483, 59902, 89853, 110966, 166449, 179706, 332898, 3384463, 6768926, 10153389, 20306778]

約数ペア:

[(1, 20306778), (2, 10153389), (3, 6768926), (6, 3384463), (61, 332898), (113, 179706), (122, 166449), (183, 110966), (226, 89853), (339, 59902), (366, 55483), (491, 41358), (678, 29951), (982, 20679), (1473, 13786), (2946, 6893)]