2020758832

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{373}}^1$

素因数の和:722

約数の個数: 80

約数和(自身を含む): 4207230720

約数和(自身を除く): 2186471888

約数列:

[1, 2, 4, 8, 16, 19, 38, 71, 76, 142, 152, 251, 284, 304, 373, 502, 568, 746, 1004, 1136, 1349, 1492, 2008, 2698, 2984, 4016, 4769, 5396, 5968, 7087, 9538, 10792, 14174, 17821, 19076, 21584, 26483, 28348, 35642, 38152, 52966, 56696, 71284, 76304, 93623, 105932, 113392, 142568, 187246, 211864, 285136, 338599, 374492, 423728, 503177, 677198, 748984, 1006354, 1354396, 1497968, 1778837, 2012708, 2708792, 3557674, 4025416, 5417584, 6647233, 7115348, 8050832, 13294466, 14230696, 26588932, 28461392, 53177864, 106355728, 126297427, 252594854, 505189708, 1010379416, 2020758832]

約数ペア:

[(1, 2020758832), (2, 1010379416), (4, 505189708), (8, 252594854), (16, 126297427), (19, 106355728), (38, 53177864), (71, 28461392), (76, 26588932), (142, 14230696), (152, 13294466), (251, 8050832), (284, 7115348), (304, 6647233), (373, 5417584), (502, 4025416), (568, 3557674), (746, 2708792), (1004, 2012708), (1136, 1778837), (1349, 1497968), (1492, 1354396), (2008, 1006354), (2698, 748984), (2984, 677198), (4016, 503177), (4769, 423728), (5396, 374492), (5968, 338599), (7087, 285136), (9538, 211864), (10792, 187246), (14174, 142568), (17821, 113392), (19076, 105932), (21584, 93623), (26483, 76304), (28348, 71284), (35642, 56696), (38152, 52966)]