20380998

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:513

約数の個数: 48

約数和(自身を含む): 45581760

約数和(自身を除く): 25200762

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 67, 121, 134, 201, 242, 363, 402, 419, 726, 737, 838, 1257, 1474, 2211, 2514, 4422, 4609, 8107, 9218, 13827, 16214, 24321, 27654, 28073, 48642, 50699, 56146, 84219, 101398, 152097, 168438, 304194, 308803, 617606, 926409, 1852818, 3396833, 6793666, 10190499, 20380998]

約数ペア:

[(1, 20380998), (2, 10190499), (3, 6793666), (6, 3396833), (11, 1852818), (22, 926409), (33, 617606), (66, 308803), (67, 304194), (121, 168438), (134, 152097), (201, 101398), (242, 84219), (363, 56146), (402, 50699), (419, 48642), (726, 28073), (737, 27654), (838, 24321), (1257, 16214), (1474, 13827), (2211, 9218), (2514, 8107), (4422, 4609)]