20281630

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{809}}^1$

素因数の和:948

約数の個数: 32

約数和(自身を含む): 38491200

約数和(自身を除く): 18209570

約数列:

[1, 2, 5, 10, 23, 46, 109, 115, 218, 230, 545, 809, 1090, 1618, 2507, 4045, 5014, 8090, 12535, 18607, 25070, 37214, 88181, 93035, 176362, 186070, 440905, 881810, 2028163, 4056326, 10140815, 20281630]

約数ペア:

[(1, 20281630), (2, 10140815), (5, 4056326), (10, 2028163), (23, 881810), (46, 440905), (109, 186070), (115, 176362), (218, 93035), (230, 88181), (545, 37214), (809, 25070), (1090, 18607), (1618, 12535), (2507, 8090), (4045, 5014)]