20485702008

素因数分解:

$2^3\times 3^3\times {\mathrm{23}}^1\times {\mathrm{4123531}}^1$

素因数の和:4123569

約数の個数: 64

約数和(自身を含む): 59378860800

約数和(自身を除く): 38893158792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 36, 46, 54, 69, 72, 92, 108, 138, 184, 207, 216, 276, 414, 552, 621, 828, 1242, 1656, 2484, 4968, 4123531, 8247062, 12370593, 16494124, 24741186, 32988248, 37111779, 49482372, 74223558, 94841213, 98964744, 111335337, 148447116, 189682426, 222670674, 284523639, 296894232, 379364852, 445341348, 569047278, 758729704, 853570917, 890682696, 1138094556, 1707141834, 2276189112, 2560712751, 3414283668, 5121425502, 6828567336, 10242851004, 20485702008]

約数ペア:

[(1, 20485702008), (2, 10242851004), (3, 6828567336), (4, 5121425502), (6, 3414283668), (8, 2560712751), (9, 2276189112), (12, 1707141834), (18, 1138094556), (23, 890682696), (24, 853570917), (27, 758729704), (36, 569047278), (46, 445341348), (54, 379364852), (69, 296894232), (72, 284523639), (92, 222670674), (108, 189682426), (138, 148447116), (184, 111335337), (207, 98964744), (216, 94841213), (276, 74223558), (414, 49482372), (552, 37111779), (621, 32988248), (828, 24741186), (1242, 16494124), (1656, 12370593), (2484, 8247062), (4968, 4123531)]