20429625

素因数分解:

$3^1\times 5^3\times {\mathrm{157}}^1\times {\mathrm{347}}^1$

素因数の和:522

約数の個数: 32

約数和(自身を含む): 34310016

約数和(自身を除く): 13880391

約数列:

[1, 3, 5, 15, 25, 75, 125, 157, 347, 375, 471, 785, 1041, 1735, 2355, 3925, 5205, 8675, 11775, 19625, 26025, 43375, 54479, 58875, 130125, 163437, 272395, 817185, 1361975, 4085925, 6809875, 20429625]

約数ペア:

[(1, 20429625), (3, 6809875), (5, 4085925), (15, 1361975), (25, 817185), (75, 272395), (125, 163437), (157, 130125), (347, 58875), (375, 54479), (471, 43375), (785, 26025), (1041, 19625), (1735, 11775), (2355, 8675), (3925, 5205)]