20123176828

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1399}}^1\times {\mathrm{5717}}^1$

素因数の和:7174

約数の個数: 48

約数和(自身を含む): 38328897600

約数和(自身を除く): 18205720772

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 629, 1258, 1399, 2516, 2798, 5596, 5717, 11434, 22868, 23783, 47566, 51763, 95132, 97189, 103526, 194378, 207052, 211529, 388756, 423058, 846116, 879971, 1759942, 3519884, 3595993, 7191986, 7998083, 14383972, 15996166, 31992332, 135967411, 271934822, 295929071, 543869644, 591858142, 1183716284, 5030794207, 10061588414, 20123176828]

約数ペア:

[(1, 20123176828), (2, 10061588414), (4, 5030794207), (17, 1183716284), (34, 591858142), (37, 543869644), (68, 295929071), (74, 271934822), (148, 135967411), (629, 31992332), (1258, 15996166), (1399, 14383972), (2516, 7998083), (2798, 7191986), (5596, 3595993), (5717, 3519884), (11434, 1759942), (22868, 879971), (23783, 846116), (47566, 423058), (51763, 388756), (95132, 211529), (97189, 207052), (103526, 194378)]