20199476

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 20443084

約数列:

[1, 2, 4, 11, 22, 31, 44, 59, 62, 118, 124, 236, 251, 341, 502, 649, 682, 1004, 1298, 1364, 1829, 2596, 2761, 3658, 5522, 7316, 7781, 11044, 14809, 15562, 20119, 29618, 31124, 40238, 59236, 80476, 85591, 162899, 171182, 325798, 342364, 459079, 651596, 918158, 1836316, 5049869, 10099738, 20199476]

約数ペア:

[(1, 20199476), (2, 10099738), (4, 5049869), (11, 1836316), (22, 918158), (31, 651596), (44, 459079), (59, 342364), (62, 325798), (118, 171182), (124, 162899), (236, 85591), (251, 80476), (341, 59236), (502, 40238), (649, 31124), (682, 29618), (1004, 20119), (1298, 15562), (1364, 14809), (1829, 11044), (2596, 7781), (2761, 7316), (3658, 5522)]