20890116

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{14879}}^1$

素因数の和:14905

約数の個数: 48

約数和(自身を含む): 58329600

約数和(自身を除く): 37439484

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 14879, 29758, 44637, 59516, 89274, 133911, 178548, 193427, 267822, 386854, 401733, 535644, 580281, 773708, 803466, 1160562, 1606932, 1740843, 2321124, 3481686, 5222529, 6963372, 10445058, 20890116]

約数ペア:

[(1, 20890116), (2, 10445058), (3, 6963372), (4, 5222529), (6, 3481686), (9, 2321124), (12, 1740843), (13, 1606932), (18, 1160562), (26, 803466), (27, 773708), (36, 580281), (39, 535644), (52, 401733), (54, 386854), (78, 267822), (108, 193427), (117, 178548), (156, 133911), (234, 89274), (351, 59516), (468, 44637), (702, 29758), (1404, 14879)]