20735367632

素因数分解:

$2^4\times 7^2\times {\mathrm{79}}^1\times {\mathrm{334787}}^1$

素因数の和:334888

約数の個数: 60

約数和(自身を含む): 47325631680

約数和(自身を除く): 26590264048

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 79, 98, 112, 158, 196, 316, 392, 553, 632, 784, 1106, 1264, 2212, 3871, 4424, 7742, 8848, 15484, 30968, 61936, 334787, 669574, 1339148, 2343509, 2678296, 4687018, 5356592, 9374036, 16404563, 18748072, 26448173, 32809126, 37496144, 52896346, 65618252, 105792692, 131236504, 185137211, 211585384, 262473008, 370274422, 423170768, 740548844, 1295960477, 1481097688, 2591920954, 2962195376, 5183841908, 10367683816, 20735367632]

約数ペア:

[(1, 20735367632), (2, 10367683816), (4, 5183841908), (7, 2962195376), (8, 2591920954), (14, 1481097688), (16, 1295960477), (28, 740548844), (49, 423170768), (56, 370274422), (79, 262473008), (98, 211585384), (112, 185137211), (158, 131236504), (196, 105792692), (316, 65618252), (392, 52896346), (553, 37496144), (632, 32809126), (784, 26448173), (1106, 18748072), (1264, 16404563), (2212, 9374036), (3871, 5356592), (4424, 4687018), (7742, 2678296), (8848, 2343509), (15484, 1339148), (30968, 669574), (61936, 334787)]