20583888

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{32987}}^1$

素因数の和:33011

約数の個数: 40

約数和(自身を含む): 57267168

約数和(自身を除く): 36683280

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 32987, 65974, 98961, 131948, 197922, 263896, 395844, 428831, 527792, 791688, 857662, 1286493, 1583376, 1715324, 2572986, 3430648, 5145972, 6861296, 10291944, 20583888]

約数ペア:

[(1, 20583888), (2, 10291944), (3, 6861296), (4, 5145972), (6, 3430648), (8, 2572986), (12, 1715324), (13, 1583376), (16, 1286493), (24, 857662), (26, 791688), (39, 527792), (48, 428831), (52, 395844), (78, 263896), (104, 197922), (156, 131948), (208, 98961), (312, 65974), (624, 32987)]