20057784

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 51840000

約数和(自身を除く): 31782216

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 79, 142, 149, 158, 213, 237, 284, 298, 316, 426, 447, 474, 568, 596, 632, 852, 894, 948, 1192, 1704, 1788, 1896, 3576, 5609, 10579, 11218, 11771, 16827, 21158, 22436, 23542, 31737, 33654, 35313, 42316, 44872, 47084, 63474, 67308, 70626, 84632, 94168, 126948, 134616, 141252, 253896, 282504, 835741, 1671482, 2507223, 3342964, 5014446, 6685928, 10028892, 20057784]

約数ペア:

[(1, 20057784), (2, 10028892), (3, 6685928), (4, 5014446), (6, 3342964), (8, 2507223), (12, 1671482), (24, 835741), (71, 282504), (79, 253896), (142, 141252), (149, 134616), (158, 126948), (213, 94168), (237, 84632), (284, 70626), (298, 67308), (316, 63474), (426, 47084), (447, 44872), (474, 42316), (568, 35313), (596, 33654), (632, 31737), (852, 23542), (894, 22436), (948, 21158), (1192, 16827), (1704, 11771), (1788, 11218), (1896, 10579), (3576, 5609)]