20159152

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5101}}^1$

素因数の和:5141

約数の個数: 40

約数和(自身を含む): 44285360

約数和(自身を除く): 24126208

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 5101, 10202, 20404, 40808, 66313, 81616, 96919, 132626, 193838, 265252, 387676, 530504, 775352, 1061008, 1259947, 1550704, 2519894, 5039788, 10079576, 20159152]

約数ペア:

[(1, 20159152), (2, 10079576), (4, 5039788), (8, 2519894), (13, 1550704), (16, 1259947), (19, 1061008), (26, 775352), (38, 530504), (52, 387676), (76, 265252), (104, 193838), (152, 132626), (208, 96919), (247, 81616), (304, 66313), (494, 40808), (988, 20404), (1976, 10202), (3952, 5101)]