20278996856

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7847909}}^1$

素因数の和:7847951

約数の個数: 32

約数和(自身を含む): 42378714000

約数和(自身を除く): 22099717144

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 7847909, 15695818, 31391636, 62783272, 133414453, 149110271, 266828906, 298220542, 533657812, 596441084, 1067315624, 1192882168, 2534874607, 5069749214, 10139498428, 20278996856]

約数ペア:

[(1, 20278996856), (2, 10139498428), (4, 5069749214), (8, 2534874607), (17, 1192882168), (19, 1067315624), (34, 596441084), (38, 533657812), (68, 298220542), (76, 266828906), (136, 149110271), (152, 133414453), (323, 62783272), (646, 31391636), (1292, 15695818), (2584, 7847909)]