20639184

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{14827}}^1$

素因数の和:14867

約数の個数: 40

約数和(自身を含む): 55160160

約数和(自身を除く): 34520976

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 87, 116, 174, 232, 348, 464, 696, 1392, 14827, 29654, 44481, 59308, 88962, 118616, 177924, 237232, 355848, 429983, 711696, 859966, 1289949, 1719932, 2579898, 3439864, 5159796, 6879728, 10319592, 20639184]

約数ペア:

[(1, 20639184), (2, 10319592), (3, 6879728), (4, 5159796), (6, 3439864), (8, 2579898), (12, 1719932), (16, 1289949), (24, 859966), (29, 711696), (48, 429983), (58, 355848), (87, 237232), (116, 177924), (174, 118616), (232, 88962), (348, 59308), (464, 44481), (696, 29654), (1392, 14827)]