20686476

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{311}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 50738688

約数和(自身を除く): 30052212

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 241, 276, 311, 482, 622, 723, 933, 964, 1244, 1446, 1866, 2892, 3732, 5543, 7153, 11086, 14306, 16629, 21459, 22172, 28612, 33258, 42918, 66516, 74951, 85836, 149902, 224853, 299804, 449706, 899412, 1723873, 3447746, 5171619, 6895492, 10343238, 20686476]

約数ペア:

[(1, 20686476), (2, 10343238), (3, 6895492), (4, 5171619), (6, 3447746), (12, 1723873), (23, 899412), (46, 449706), (69, 299804), (92, 224853), (138, 149902), (241, 85836), (276, 74951), (311, 66516), (482, 42918), (622, 33258), (723, 28612), (933, 22172), (964, 21459), (1244, 16629), (1446, 14306), (1866, 11086), (2892, 7153), (3732, 5543)]