20126473940

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{241}}^1\times {\mathrm{20983}}^1$

素因数の和:21432

約数の個数: 48

約数和(自身を含む): 42656275200

約数和(自身を除く): 22529801260

約数列:

[1, 2, 4, 5, 10, 20, 199, 241, 398, 482, 796, 964, 995, 1205, 1990, 2410, 3980, 4820, 20983, 41966, 47959, 83932, 95918, 104915, 191836, 209830, 239795, 419660, 479590, 959180, 4175617, 5056903, 8351234, 10113806, 16702468, 20227612, 20878085, 25284515, 41756170, 50569030, 83512340, 101138060, 1006323697, 2012647394, 4025294788, 5031618485, 10063236970, 20126473940]

約数ペア:

[(1, 20126473940), (2, 10063236970), (4, 5031618485), (5, 4025294788), (10, 2012647394), (20, 1006323697), (199, 101138060), (241, 83512340), (398, 50569030), (482, 41756170), (796, 25284515), (964, 20878085), (995, 20227612), (1205, 16702468), (1990, 10113806), (2410, 8351234), (3980, 5056903), (4820, 4175617), (20983, 959180), (41966, 479590), (47959, 419660), (83932, 239795), (95918, 209830), (104915, 191836)]