20673648

素因数分解:

$2^4\times 3^2\times {\mathrm{143567}}^1$

素因数の和:143581

約数の個数: 30

約数和(自身を含む): 57857904

約数和(自身を除く): 37184256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 143567, 287134, 430701, 574268, 861402, 1148536, 1292103, 1722804, 2297072, 2584206, 3445608, 5168412, 6891216, 10336824, 20673648]

約数ペア:

[(1, 20673648), (2, 10336824), (3, 6891216), (4, 5168412), (6, 3445608), (8, 2584206), (9, 2297072), (12, 1722804), (16, 1292103), (18, 1148536), (24, 861402), (36, 574268), (48, 430701), (72, 287134), (144, 143567)]