20827920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{86783}}^1$

素因数の和:86799

約数の個数: 40

約数和(自身を含む): 64567296

約数和(自身を除く): 43739376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 86783, 173566, 260349, 347132, 433915, 520698, 694264, 867830, 1041396, 1301745, 1388528, 1735660, 2082792, 2603490, 3471320, 4165584, 5206980, 6942640, 10413960, 20827920]

約数ペア:

[(1, 20827920), (2, 10413960), (3, 6942640), (4, 5206980), (5, 4165584), (6, 3471320), (8, 2603490), (10, 2082792), (12, 1735660), (15, 1388528), (16, 1301745), (20, 1041396), (24, 867830), (30, 694264), (40, 520698), (48, 433915), (60, 347132), (80, 260349), (120, 173566), (240, 86783)]