20691610

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:510

約数の個数: 32

約数和(自身を含む): 38335680

約数和(自身を除く): 17644070

約数列:

[1, 2, 5, 10, 67, 89, 134, 178, 335, 347, 445, 670, 694, 890, 1735, 3470, 5963, 11926, 23249, 29815, 30883, 46498, 59630, 61766, 116245, 154415, 232490, 308830, 2069161, 4138322, 10345805, 20691610]

約数ペア:

[(1, 20691610), (2, 10345805), (5, 4138322), (10, 2069161), (67, 308830), (89, 232490), (134, 154415), (178, 116245), (335, 61766), (347, 59630), (445, 46498), (670, 30883), (694, 29815), (890, 23249), (1735, 11926), (3470, 5963)]