20154001070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{48857}}^1$

素因数の和:49025

約数の個数: 64

約数和(自身を含む): 42551018496

約数和(自身を除く): 22397017426

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 83, 142, 166, 355, 415, 497, 581, 710, 830, 994, 1162, 2485, 2905, 4970, 5810, 5893, 11786, 29465, 41251, 48857, 58930, 82502, 97714, 206255, 244285, 341999, 412510, 488570, 683998, 1709995, 3419990, 3468847, 4055131, 6937694, 8110262, 17344235, 20275655, 24281929, 28385917, 34688470, 40551310, 48563858, 56771834, 121409645, 141929585, 242819290, 283859170, 287914301, 575828602, 1439571505, 2015400107, 2879143010, 4030800214, 10077000535, 20154001070]

約数ペア:

[(1, 20154001070), (2, 10077000535), (5, 4030800214), (7, 2879143010), (10, 2015400107), (14, 1439571505), (35, 575828602), (70, 287914301), (71, 283859170), (83, 242819290), (142, 141929585), (166, 121409645), (355, 56771834), (415, 48563858), (497, 40551310), (581, 34688470), (710, 28385917), (830, 24281929), (994, 20275655), (1162, 17344235), (2485, 8110262), (2905, 6937694), (4970, 4055131), (5810, 3468847), (5893, 3419990), (11786, 1709995), (29465, 683998), (41251, 488570), (48857, 412510), (58930, 341999), (82502, 244285), (97714, 206255)]