20235401660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{641579}}^1$

素因数の和:641690

約数の個数: 48

約数和(自身を含む): 45269884800

約数和(自身を除く): 25034483140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 83, 95, 166, 190, 332, 380, 415, 830, 1577, 1660, 3154, 6308, 7885, 15770, 31540, 641579, 1283158, 2566316, 3207895, 6415790, 12190001, 12831580, 24380002, 48760004, 53251057, 60950005, 106502114, 121900010, 213004228, 243800020, 266255285, 532510570, 1011770083, 1065021140, 2023540166, 4047080332, 5058850415, 10117700830, 20235401660]

約数ペア:

[(1, 20235401660), (2, 10117700830), (4, 5058850415), (5, 4047080332), (10, 2023540166), (19, 1065021140), (20, 1011770083), (38, 532510570), (76, 266255285), (83, 243800020), (95, 213004228), (166, 121900010), (190, 106502114), (332, 60950005), (380, 53251057), (415, 48760004), (830, 24380002), (1577, 12831580), (1660, 12190001), (3154, 6415790), (6308, 3207895), (7885, 2566316), (15770, 1283158), (31540, 641579)]