20718374402

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{47797}}^1$

素因数の和:47907

約数の個数: 64

約数和(自身を含む): 38406648960

約数和(自身を除く): 17688274558

約数列:

[1, 2, 11, 17, 19, 22, 34, 38, 61, 122, 187, 209, 323, 374, 418, 646, 671, 1037, 1159, 1342, 2074, 2318, 3553, 7106, 11407, 12749, 19703, 22814, 25498, 39406, 47797, 95594, 216733, 433466, 525767, 812549, 908143, 1051534, 1625098, 1816286, 2915617, 5831234, 8938039, 9989573, 15438431, 17876078, 19979146, 30876862, 32071787, 49565489, 55396723, 64143574, 99130978, 110793446, 169822741, 339645482, 545220379, 609363953, 941744291, 1090440758, 1218727906, 1883488582, 10359187201, 20718374402]

約数ペア:

[(1, 20718374402), (2, 10359187201), (11, 1883488582), (17, 1218727906), (19, 1090440758), (22, 941744291), (34, 609363953), (38, 545220379), (61, 339645482), (122, 169822741), (187, 110793446), (209, 99130978), (323, 64143574), (374, 55396723), (418, 49565489), (646, 32071787), (671, 30876862), (1037, 19979146), (1159, 17876078), (1342, 15438431), (2074, 9989573), (2318, 8938039), (3553, 5831234), (7106, 2915617), (11407, 1816286), (12749, 1625098), (19703, 1051534), (22814, 908143), (25498, 812549), (39406, 525767), (47797, 433466), (95594, 216733)]