20805270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11369}}^1$

素因数の和:11440

約数の個数: 32

約数和(自身を含む): 50755680

約数和(自身を除く): 29950410

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 915, 1830, 11369, 22738, 34107, 56845, 68214, 113690, 170535, 341070, 693509, 1387018, 2080527, 3467545, 4161054, 6935090, 10402635, 20805270]

約数ペア:

[(1, 20805270), (2, 10402635), (3, 6935090), (5, 4161054), (6, 3467545), (10, 2080527), (15, 1387018), (30, 693509), (61, 341070), (122, 170535), (183, 113690), (305, 68214), (366, 56845), (610, 34107), (915, 22738), (1830, 11369)]