20494242

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{569}}^1$

素因数の和:632

約数の個数: 64

約数和(自身を含む): 49248000

約数和(自身を除く): 28753758

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 29, 46, 54, 58, 69, 87, 138, 174, 207, 261, 414, 522, 569, 621, 667, 783, 1138, 1242, 1334, 1566, 1707, 2001, 3414, 4002, 5121, 6003, 10242, 12006, 13087, 15363, 16501, 18009, 26174, 30726, 33002, 36018, 39261, 49503, 78522, 99006, 117783, 148509, 235566, 297018, 353349, 379523, 445527, 706698, 759046, 891054, 1138569, 2277138, 3415707, 6831414, 10247121, 20494242]

約数ペア:

[(1, 20494242), (2, 10247121), (3, 6831414), (6, 3415707), (9, 2277138), (18, 1138569), (23, 891054), (27, 759046), (29, 706698), (46, 445527), (54, 379523), (58, 353349), (69, 297018), (87, 235566), (138, 148509), (174, 117783), (207, 99006), (261, 78522), (414, 49503), (522, 39261), (569, 36018), (621, 33002), (667, 30726), (783, 26174), (1138, 18009), (1242, 16501), (1334, 15363), (1566, 13087), (1707, 12006), (2001, 10242), (3414, 6003), (4002, 5121)]