20323240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{10369}}^1$

素因数の和:10394

約数の個数: 48

約数和(自身を含む): 53198100

約数和(自身を除く): 32874860

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 10369, 20738, 41476, 51845, 72583, 82952, 103690, 145166, 207380, 290332, 362915, 414760, 508081, 580664, 725830, 1016162, 1451660, 2032324, 2540405, 2903320, 4064648, 5080810, 10161620, 20323240]

約数ペア:

[(1, 20323240), (2, 10161620), (4, 5080810), (5, 4064648), (7, 2903320), (8, 2540405), (10, 2032324), (14, 1451660), (20, 1016162), (28, 725830), (35, 580664), (40, 508081), (49, 414760), (56, 362915), (70, 290332), (98, 207380), (140, 145166), (196, 103690), (245, 82952), (280, 72583), (392, 51845), (490, 41476), (980, 20738), (1960, 10369)]