20346927484

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{52727}}^1$

素因数の和:52966

約数の個数: 48

約数和(自身を含む): 39499177536

約数和(自身を除く): 19152250052

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 181, 362, 533, 724, 1066, 2132, 2353, 4706, 7421, 9412, 14842, 29684, 52727, 96473, 105454, 192946, 210908, 385892, 685451, 1370902, 2161807, 2741804, 4323614, 8647228, 9543587, 19087174, 28103491, 38174348, 56206982, 112413964, 124066631, 248133262, 391287067, 496266524, 782574134, 1565148268, 5086731871, 10173463742, 20346927484]

約数ペア:

[(1, 20346927484), (2, 10173463742), (4, 5086731871), (13, 1565148268), (26, 782574134), (41, 496266524), (52, 391287067), (82, 248133262), (164, 124066631), (181, 112413964), (362, 56206982), (533, 38174348), (724, 28103491), (1066, 19087174), (2132, 9543587), (2353, 8647228), (4706, 4323614), (7421, 2741804), (9412, 2161807), (14842, 1370902), (29684, 685451), (52727, 385892), (96473, 210908), (105454, 192946)]