20928062008

素因数分解:

$2^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1\times {\mathrm{11887}}^1$

素因数の和:12260

約数の個数: 64

約数和(自身を含む): 45364608000

約数和(自身を除く): 24436545992

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 149, 211, 298, 422, 596, 844, 1043, 1192, 1477, 1688, 2086, 2954, 4172, 5908, 8344, 11816, 11887, 23774, 31439, 47548, 62878, 83209, 95096, 125756, 166418, 220073, 251512, 332836, 440146, 665672, 880292, 1760584, 1771163, 2508157, 3542326, 5016314, 7084652, 10032628, 12398141, 14169304, 17557099, 20065256, 24796282, 35114198, 49592564, 70228396, 99185128, 140456792, 373715393, 747430786, 1494861572, 2616007751, 2989723144, 5232015502, 10464031004, 20928062008]

約数ペア:

[(1, 20928062008), (2, 10464031004), (4, 5232015502), (7, 2989723144), (8, 2616007751), (14, 1494861572), (28, 747430786), (56, 373715393), (149, 140456792), (211, 99185128), (298, 70228396), (422, 49592564), (596, 35114198), (844, 24796282), (1043, 20065256), (1192, 17557099), (1477, 14169304), (1688, 12398141), (2086, 10032628), (2954, 7084652), (4172, 5016314), (5908, 3542326), (8344, 2508157), (11816, 1771163), (11887, 1760584), (23774, 880292), (31439, 665672), (47548, 440146), (62878, 332836), (83209, 251512), (95096, 220073), (125756, 166418)]