20567664

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{10987}}^1$

素因数の和:11014

約数の個数: 60

約数和(自身を含む): 61994296

約数和(自身を除く): 41426632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 10987, 21974, 32961, 43948, 65922, 87896, 98883, 131844, 142831, 175792, 197766, 263688, 285662, 395532, 428493, 527376, 571324, 791064, 856986, 1142648, 1285479, 1582128, 1713972, 2285296, 2570958, 3427944, 5141916, 6855888, 10283832, 20567664]

約数ペア:

[(1, 20567664), (2, 10283832), (3, 6855888), (4, 5141916), (6, 3427944), (8, 2570958), (9, 2285296), (12, 1713972), (13, 1582128), (16, 1285479), (18, 1142648), (24, 856986), (26, 791064), (36, 571324), (39, 527376), (48, 428493), (52, 395532), (72, 285662), (78, 263688), (104, 197766), (117, 175792), (144, 142831), (156, 131844), (208, 98883), (234, 87896), (312, 65922), (468, 43948), (624, 32961), (936, 21974), (1872, 10987)]