20337448

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1997}}^1$

素因数の和:2089

約数の個数: 32

約数和(自身を含む): 40759200

約数和(自身を除く): 20421752

約数列:

[1, 2, 4, 8, 19, 38, 67, 76, 134, 152, 268, 536, 1273, 1997, 2546, 3994, 5092, 7988, 10184, 15976, 37943, 75886, 133799, 151772, 267598, 303544, 535196, 1070392, 2542181, 5084362, 10168724, 20337448]

約数ペア:

[(1, 20337448), (2, 10168724), (4, 5084362), (8, 2542181), (19, 1070392), (38, 535196), (67, 303544), (76, 267598), (134, 151772), (152, 133799), (268, 75886), (536, 37943), (1273, 15976), (1997, 10184), (2546, 7988), (3994, 5092)]