20139978

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{283}}^1\times {\mathrm{409}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 41918400

約数和(自身を除く): 21778422

約数列:

[1, 2, 3, 6, 29, 58, 87, 174, 283, 409, 566, 818, 849, 1227, 1698, 2454, 8207, 11861, 16414, 23722, 24621, 35583, 49242, 71166, 115747, 231494, 347241, 694482, 3356663, 6713326, 10069989, 20139978]

約数ペア:

[(1, 20139978), (2, 10069989), (3, 6713326), (6, 3356663), (29, 694482), (58, 347241), (87, 231494), (174, 115747), (283, 71166), (409, 49242), (566, 35583), (818, 24621), (849, 23722), (1227, 16414), (1698, 11861), (2454, 8207)]