20163756688

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1951}}^1\times {\mathrm{33997}}^1$

素因数の和:35975

約数の個数: 40

約数和(自身を含む): 41145739520

約数和(自身を除く): 20981982832

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1951, 3902, 7804, 15608, 31216, 33997, 37069, 67994, 74138, 135988, 148276, 271976, 296552, 543952, 593104, 645943, 1291886, 2583772, 5167544, 10335088, 66328147, 132656294, 265312588, 530625176, 1061250352, 1260234793, 2520469586, 5040939172, 10081878344, 20163756688]

約数ペア:

[(1, 20163756688), (2, 10081878344), (4, 5040939172), (8, 2520469586), (16, 1260234793), (19, 1061250352), (38, 530625176), (76, 265312588), (152, 132656294), (304, 66328147), (1951, 10335088), (3902, 5167544), (7804, 2583772), (15608, 1291886), (31216, 645943), (33997, 593104), (37069, 543952), (67994, 296552), (74138, 271976), (135988, 148276)]