20485218

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1451}}^1$

素因数の和:1650

約数の個数: 32

約数和(自身を含む): 44396352

約数和(自身を除く): 23911134

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 181, 362, 543, 1086, 1451, 2353, 2902, 4353, 4706, 7059, 8706, 14118, 18863, 37726, 56589, 113178, 262631, 525262, 787893, 1575786, 3414203, 6828406, 10242609, 20485218]

約数ペア:

[(1, 20485218), (2, 10242609), (3, 6828406), (6, 3414203), (13, 1575786), (26, 787893), (39, 525262), (78, 262631), (181, 113178), (362, 56589), (543, 37726), (1086, 18863), (1451, 14118), (2353, 8706), (2902, 7059), (4353, 4706)]