20191467140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{449}}^1\times {\mathrm{673}}^1$

素因数の和:1401

約数の個数: 96

約数和(自身を含む): 46011823200

約数和(自身を除く): 25820356060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 257, 260, 449, 514, 673, 898, 1028, 1285, 1346, 1796, 2245, 2570, 2692, 3341, 3365, 4490, 5140, 5837, 6682, 6730, 8749, 8980, 11674, 13364, 13460, 16705, 17498, 23348, 29185, 33410, 34996, 43745, 58370, 66820, 87490, 115393, 116740, 172961, 174980, 230786, 302177, 345922, 461572, 576965, 604354, 691844, 864805, 1153930, 1208708, 1500109, 1510885, 1729610, 2248493, 2307860, 3000218, 3021770, 3459220, 3928301, 4496986, 6000436, 6043540, 7500545, 7856602, 8993972, 11242465, 15001090, 15713204, 19641505, 22484930, 30002180, 39283010, 44969860, 77659489, 78566020, 155318978, 310637956, 388297445, 776594890, 1009573357, 1553189780, 2019146714, 4038293428, 5047866785, 10095733570, 20191467140]

約数ペア:

[(1, 20191467140), (2, 10095733570), (4, 5047866785), (5, 4038293428), (10, 2019146714), (13, 1553189780), (20, 1009573357), (26, 776594890), (52, 388297445), (65, 310637956), (130, 155318978), (257, 78566020), (260, 77659489), (449, 44969860), (514, 39283010), (673, 30002180), (898, 22484930), (1028, 19641505), (1285, 15713204), (1346, 15001090), (1796, 11242465), (2245, 8993972), (2570, 7856602), (2692, 7500545), (3341, 6043540), (3365, 6000436), (4490, 4496986), (5140, 3928301), (5837, 3459220), (6682, 3021770), (6730, 3000218), (8749, 2307860), (8980, 2248493), (11674, 1729610), (13364, 1510885), (13460, 1500109), (16705, 1208708), (17498, 1153930), (23348, 864805), (29185, 691844), (33410, 604354), (34996, 576965), (43745, 461572), (58370, 345922), (66820, 302177), (87490, 230786), (115393, 174980), (116740, 172961)]