20419170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{293}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 51819264

約数和(自身を除く): 31400094

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 101, 115, 138, 202, 230, 293, 303, 345, 505, 586, 606, 690, 879, 1010, 1465, 1515, 1758, 2323, 2930, 3030, 4395, 4646, 6739, 6969, 8790, 11615, 13478, 13938, 20217, 23230, 29593, 33695, 34845, 40434, 59186, 67390, 69690, 88779, 101085, 147965, 177558, 202170, 295930, 443895, 680639, 887790, 1361278, 2041917, 3403195, 4083834, 6806390, 10209585, 20419170]

約数ペア:

[(1, 20419170), (2, 10209585), (3, 6806390), (5, 4083834), (6, 3403195), (10, 2041917), (15, 1361278), (23, 887790), (30, 680639), (46, 443895), (69, 295930), (101, 202170), (115, 177558), (138, 147965), (202, 101085), (230, 88779), (293, 69690), (303, 67390), (345, 59186), (505, 40434), (586, 34845), (606, 33695), (690, 29593), (879, 23230), (1010, 20217), (1465, 13938), (1515, 13478), (1758, 11615), (2323, 8790), (2930, 6969), (3030, 6739), (4395, 4646)]