20584810

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{229}}^1$

素因数の和:426

約数の個数: 32

約数和(自身を含む): 38005200

約数和(自身を除く): 17420390

約数列:

[1, 2, 5, 10, 89, 101, 178, 202, 229, 445, 458, 505, 890, 1010, 1145, 2290, 8989, 17978, 20381, 23129, 40762, 44945, 46258, 89890, 101905, 115645, 203810, 231290, 2058481, 4116962, 10292405, 20584810]

約数ペア:

[(1, 20584810), (2, 10292405), (5, 4116962), (10, 2058481), (89, 231290), (101, 203810), (178, 115645), (202, 101905), (229, 89890), (445, 46258), (458, 44945), (505, 40762), (890, 23129), (1010, 20381), (1145, 17978), (2290, 8989)]