20921112832

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{4807241}}^1$

素因数の和:4807274

約数の個数: 36

約数和(自身を含む): 44217011916

約数和(自身を除く): 23295899084

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 544, 1088, 2176, 4352, 4807241, 9614482, 19228964, 38457928, 76915856, 81723097, 153831712, 163446194, 307663424, 326892388, 615326848, 653784776, 1230653696, 1307569552, 2615139104, 5230278208, 10460556416, 20921112832]

約数ペア:

[(1, 20921112832), (2, 10460556416), (4, 5230278208), (8, 2615139104), (16, 1307569552), (17, 1230653696), (32, 653784776), (34, 615326848), (64, 326892388), (68, 307663424), (128, 163446194), (136, 153831712), (256, 81723097), (272, 76915856), (544, 38457928), (1088, 19228964), (2176, 9614482), (4352, 4807241)]