20120863796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{661}}^1\times {\mathrm{1409}}^1$

素因数の和:2576

約数の個数: 48

約数和(自身を含む): 38576381760

約数和(自身を除く): 18455517964

約数列:

[1, 2, 4, 11, 22, 44, 491, 661, 982, 1322, 1409, 1964, 2644, 2818, 5401, 5636, 7271, 10802, 14542, 15499, 21604, 29084, 30998, 61996, 324551, 649102, 691819, 931349, 1298204, 1383638, 1862698, 2767276, 3570061, 3725396, 7140122, 7610009, 10244839, 14280244, 15220018, 20489678, 30440036, 40979356, 457292359, 914584718, 1829169436, 5030215949, 10060431898, 20120863796]

約数ペア:

[(1, 20120863796), (2, 10060431898), (4, 5030215949), (11, 1829169436), (22, 914584718), (44, 457292359), (491, 40979356), (661, 30440036), (982, 20489678), (1322, 15220018), (1409, 14280244), (1964, 10244839), (2644, 7610009), (2818, 7140122), (5401, 3725396), (5636, 3570061), (7271, 2767276), (10802, 1862698), (14542, 1383638), (15499, 1298204), (21604, 931349), (29084, 691819), (30998, 649102), (61996, 324551)]