20977560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{58271}}^1$

素因数の和:58288

約数の個数: 48

約数和(自身を含む): 68178240

約数和(自身を除く): 47200680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 58271, 116542, 174813, 233084, 291355, 349626, 466168, 524439, 582710, 699252, 874065, 1048878, 1165420, 1398504, 1748130, 2097756, 2330840, 2622195, 3496260, 4195512, 5244390, 6992520, 10488780, 20977560]

約数ペア:

[(1, 20977560), (2, 10488780), (3, 6992520), (4, 5244390), (5, 4195512), (6, 3496260), (8, 2622195), (9, 2330840), (10, 2097756), (12, 1748130), (15, 1398504), (18, 1165420), (20, 1048878), (24, 874065), (30, 699252), (36, 582710), (40, 524439), (45, 466168), (60, 349626), (72, 291355), (90, 233084), (120, 174813), (180, 116542), (360, 58271)]