20299448

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10273}}^1$

素因数の和:10311

約数の個数: 32

約数和(自身を含む): 43150800

約数和(自身を除く): 22851352

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 10273, 20546, 41092, 82184, 133549, 195187, 267098, 390374, 534196, 780748, 1068392, 1561496, 2537431, 5074862, 10149724, 20299448]

約数ペア:

[(1, 20299448), (2, 10149724), (4, 5074862), (8, 2537431), (13, 1561496), (19, 1068392), (26, 780748), (38, 534196), (52, 390374), (76, 267098), (104, 195187), (152, 133549), (247, 82184), (494, 41092), (988, 20546), (1976, 10273)]