20147148

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2579}}^1$

素因数の和:2627

約数の個数: 72

約数和(自身を含む): 60103680

約数和(自身を除く): 39956532

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2579, 2604, 3906, 5158, 7737, 7812, 10316, 15474, 18053, 23211, 30948, 36106, 46422, 54159, 72212, 79949, 92844, 108318, 159898, 162477, 216636, 239847, 319796, 324954, 479694, 559643, 649908, 719541, 959388, 1119286, 1439082, 1678929, 2238572, 2878164, 3357858, 5036787, 6715716, 10073574, 20147148]

約数ペア:

[(1, 20147148), (2, 10073574), (3, 6715716), (4, 5036787), (6, 3357858), (7, 2878164), (9, 2238572), (12, 1678929), (14, 1439082), (18, 1119286), (21, 959388), (28, 719541), (31, 649908), (36, 559643), (42, 479694), (62, 324954), (63, 319796), (84, 239847), (93, 216636), (124, 162477), (126, 159898), (186, 108318), (217, 92844), (252, 79949), (279, 72212), (372, 54159), (434, 46422), (558, 36106), (651, 30948), (868, 23211), (1116, 18053), (1302, 15474), (1953, 10316), (2579, 7812), (2604, 7737), (3906, 5158)]