20170029728

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{419929}}^1$

素因数の和:420037

約数の個数: 48

約数和(自身を含む): 42328944000

約数和(自身を除く): 22158914272

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 79, 152, 158, 304, 316, 608, 632, 1264, 1501, 2528, 3002, 6004, 12008, 24016, 48032, 419929, 839858, 1679716, 3359432, 6718864, 7978651, 13437728, 15957302, 31914604, 33174391, 63829208, 66348782, 127658416, 132697564, 255316832, 265395128, 530790256, 630313429, 1061580512, 1260626858, 2521253716, 5042507432, 10085014864, 20170029728]

約数ペア:

[(1, 20170029728), (2, 10085014864), (4, 5042507432), (8, 2521253716), (16, 1260626858), (19, 1061580512), (32, 630313429), (38, 530790256), (76, 265395128), (79, 255316832), (152, 132697564), (158, 127658416), (304, 66348782), (316, 63829208), (608, 33174391), (632, 31914604), (1264, 15957302), (1501, 13437728), (2528, 7978651), (3002, 6718864), (6004, 3359432), (12008, 1679716), (24016, 839858), (48032, 419929)]