20497560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{170813}}^1$

素因数の和:170827

約数の個数: 32

約数和(自身を含む): 61493040

約数和(自身を除く): 40995480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 170813, 341626, 512439, 683252, 854065, 1024878, 1366504, 1708130, 2049756, 2562195, 3416260, 4099512, 5124390, 6832520, 10248780, 20497560]

約数ペア:

[(1, 20497560), (2, 10248780), (3, 6832520), (4, 5124390), (5, 4099512), (6, 3416260), (8, 2562195), (10, 2049756), (12, 1708130), (15, 1366504), (20, 1024878), (24, 854065), (30, 683252), (40, 512439), (60, 341626), (120, 170813)]