20031872

素因数分解:

$2^7\times 7^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:383

約数の個数: 64

約数和(自身を含む): 46348800

約数和(自身を除く): 26316928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 79, 112, 128, 158, 224, 283, 316, 448, 553, 566, 632, 896, 1106, 1132, 1264, 1981, 2212, 2264, 2528, 3962, 4424, 4528, 5056, 7924, 8848, 9056, 10112, 15848, 17696, 18112, 22357, 31696, 35392, 36224, 44714, 63392, 70784, 89428, 126784, 156499, 178856, 253568, 312998, 357712, 625996, 715424, 1251992, 1430848, 2503984, 2861696, 5007968, 10015936, 20031872]

約数ペア:

[(1, 20031872), (2, 10015936), (4, 5007968), (7, 2861696), (8, 2503984), (14, 1430848), (16, 1251992), (28, 715424), (32, 625996), (56, 357712), (64, 312998), (79, 253568), (112, 178856), (128, 156499), (158, 126784), (224, 89428), (283, 70784), (316, 63392), (448, 44714), (553, 36224), (566, 35392), (632, 31696), (896, 22357), (1106, 18112), (1132, 17696), (1264, 15848), (1981, 10112), (2212, 9056), (2264, 8848), (2528, 7924), (3962, 5056), (4424, 4528)]