20197172008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{967}}^1\times {\mathrm{4273}}^1$

素因数の和:5306

約数の個数: 64

約数和(自身を含む): 41703298560

約数和(自身を除く): 21506126552

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 376, 611, 967, 1222, 1934, 2444, 3868, 4273, 4888, 7736, 8546, 12571, 17092, 25142, 34184, 45449, 50284, 55549, 90898, 100568, 111098, 181796, 200831, 222196, 363592, 401662, 444392, 590837, 803324, 1181674, 1606648, 2363348, 2610803, 4131991, 4726696, 5221606, 8263982, 10443212, 16527964, 20886424, 33055928, 53715883, 107431766, 194203577, 214863532, 388407154, 429727064, 776814308, 1553628616, 2524646501, 5049293002, 10098586004, 20197172008]

約数ペア:

[(1, 20197172008), (2, 10098586004), (4, 5049293002), (8, 2524646501), (13, 1553628616), (26, 776814308), (47, 429727064), (52, 388407154), (94, 214863532), (104, 194203577), (188, 107431766), (376, 53715883), (611, 33055928), (967, 20886424), (1222, 16527964), (1934, 10443212), (2444, 8263982), (3868, 5221606), (4273, 4726696), (4888, 4131991), (7736, 2610803), (8546, 2363348), (12571, 1606648), (17092, 1181674), (25142, 803324), (34184, 590837), (45449, 444392), (50284, 401662), (55549, 363592), (90898, 222196), (100568, 200831), (111098, 181796)]