20940450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{1019}}^1$

素因数の和:1171

約数の個数: 48

約数和(自身を含む): 52362720

約数和(自身を除く): 31422270

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 137, 150, 274, 411, 685, 822, 1019, 1370, 2038, 2055, 3057, 3425, 4110, 5095, 6114, 6850, 10190, 10275, 15285, 20550, 25475, 30570, 50950, 76425, 139603, 152850, 279206, 418809, 698015, 837618, 1396030, 2094045, 3490075, 4188090, 6980150, 10470225, 20940450]

約数ペア:

[(1, 20940450), (2, 10470225), (3, 6980150), (5, 4188090), (6, 3490075), (10, 2094045), (15, 1396030), (25, 837618), (30, 698015), (50, 418809), (75, 279206), (137, 152850), (150, 139603), (274, 76425), (411, 50950), (685, 30570), (822, 25475), (1019, 20550), (1370, 15285), (2038, 10275), (2055, 10190), (3057, 6850), (3425, 6114), (4110, 5095)]