20127839998

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1283}}^1\times {\mathrm{21143}}^1$

素因数の和:22488

約数の個数: 32

約数和(自身を含む): 35184969216

約数和(自身を除く): 15057129218

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 1283, 2566, 8981, 17962, 21143, 42286, 67999, 135998, 148001, 296002, 475993, 951986, 1120579, 2241158, 7844053, 15688106, 27126469, 54252938, 189885283, 379770566, 1437702857, 2875405714, 10063919999, 20127839998]

約数ペア:

[(1, 20127839998), (2, 10063919999), (7, 2875405714), (14, 1437702857), (53, 379770566), (106, 189885283), (371, 54252938), (742, 27126469), (1283, 15688106), (2566, 7844053), (8981, 2241158), (17962, 1120579), (21143, 951986), (42286, 475993), (67999, 296002), (135998, 148001)]