20823972

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4603}}^1$

素因数の和:4652

約数の個数: 48

約数和(自身を含む): 54143040

約数和(自身を除く): 33319068

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 52, 58, 78, 87, 116, 156, 174, 348, 377, 754, 1131, 1508, 2262, 4524, 4603, 9206, 13809, 18412, 27618, 55236, 59839, 119678, 133487, 179517, 239356, 266974, 359034, 400461, 533948, 718068, 800922, 1601844, 1735331, 3470662, 5205993, 6941324, 10411986, 20823972]

約数ペア:

[(1, 20823972), (2, 10411986), (3, 6941324), (4, 5205993), (6, 3470662), (12, 1735331), (13, 1601844), (26, 800922), (29, 718068), (39, 533948), (52, 400461), (58, 359034), (78, 266974), (87, 239356), (116, 179517), (156, 133487), (174, 119678), (348, 59839), (377, 55236), (754, 27618), (1131, 18412), (1508, 13809), (2262, 9206), (4524, 4603)]