20767557608

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1\times {\mathrm{11863}}^1$

素因数の和:12646

約数の個数: 64

約数和(自身を含む): 45603317760

約数和(自身を除く): 24835760152

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 727, 1204, 1454, 2408, 2908, 5089, 5816, 10178, 11863, 20356, 23726, 31261, 40712, 47452, 62522, 83041, 94904, 125044, 166082, 218827, 250088, 332164, 437654, 510109, 664328, 875308, 1020218, 1750616, 2040436, 3570763, 4080872, 7141526, 8624401, 14283052, 17248802, 28566104, 34497604, 60370807, 68995208, 120741614, 241483228, 370849243, 482966456, 741698486, 1483396972, 2595944701, 2966793944, 5191889402, 10383778804, 20767557608]

約数ペア:

[(1, 20767557608), (2, 10383778804), (4, 5191889402), (7, 2966793944), (8, 2595944701), (14, 1483396972), (28, 741698486), (43, 482966456), (56, 370849243), (86, 241483228), (172, 120741614), (301, 68995208), (344, 60370807), (602, 34497604), (727, 28566104), (1204, 17248802), (1454, 14283052), (2408, 8624401), (2908, 7141526), (5089, 4080872), (5816, 3570763), (10178, 2040436), (11863, 1750616), (20356, 1020218), (23726, 875308), (31261, 664328), (40712, 510109), (47452, 437654), (62522, 332164), (83041, 250088), (94904, 218827), (125044, 166082)]