20100771860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2423}}^1\times {\mathrm{31907}}^1$

素因数の和:34352

約数の個数: 48

約数和(自身を含む): 45478855296

約数和(自身を除く): 25378083436

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2423, 4846, 9692, 12115, 24230, 31499, 31907, 48460, 62998, 63814, 125996, 127628, 157495, 159535, 314990, 319070, 414791, 629980, 638140, 829582, 1659164, 2073955, 4147910, 8295820, 77310661, 154621322, 309242644, 386553305, 773106610, 1005038593, 1546213220, 2010077186, 4020154372, 5025192965, 10050385930, 20100771860]

約数ペア:

[(1, 20100771860), (2, 10050385930), (4, 5025192965), (5, 4020154372), (10, 2010077186), (13, 1546213220), (20, 1005038593), (26, 773106610), (52, 386553305), (65, 309242644), (130, 154621322), (260, 77310661), (2423, 8295820), (4846, 4147910), (9692, 2073955), (12115, 1659164), (24230, 829582), (31499, 638140), (31907, 629980), (48460, 414791), (62998, 319070), (63814, 314990), (125996, 159535), (127628, 157495)]