20199142688

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1197767}}^1$

素因数の和:1197825

約数の個数: 48

約数和(自身を含む): 43464605184

約数和(自身を除く): 23265462496

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 68, 124, 136, 248, 272, 496, 527, 544, 992, 1054, 2108, 4216, 8432, 16864, 1197767, 2395534, 4791068, 9582136, 19164272, 20362039, 37130777, 38328544, 40724078, 74261554, 81448156, 148523108, 162896312, 297046216, 325792624, 594092432, 631223209, 651585248, 1188184864, 1262446418, 2524892836, 5049785672, 10099571344, 20199142688]

約数ペア:

[(1, 20199142688), (2, 10099571344), (4, 5049785672), (8, 2524892836), (16, 1262446418), (17, 1188184864), (31, 651585248), (32, 631223209), (34, 594092432), (62, 325792624), (68, 297046216), (124, 162896312), (136, 148523108), (248, 81448156), (272, 74261554), (496, 40724078), (527, 38328544), (544, 37130777), (992, 20362039), (1054, 19164272), (2108, 9582136), (4216, 4791068), (8432, 2395534), (16864, 1197767)]