20294700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1109}}^1$

素因数の和:1187

約数の個数: 72

約数和(自身を含む): 59735760

約数和(自身を除く): 39441060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 61, 75, 100, 122, 150, 183, 244, 300, 305, 366, 610, 732, 915, 1109, 1220, 1525, 1830, 2218, 3050, 3327, 3660, 4436, 4575, 5545, 6100, 6654, 9150, 11090, 13308, 16635, 18300, 22180, 27725, 33270, 55450, 66540, 67649, 83175, 110900, 135298, 166350, 202947, 270596, 332700, 338245, 405894, 676490, 811788, 1014735, 1352980, 1691225, 2029470, 3382450, 4058940, 5073675, 6764900, 10147350, 20294700]

約数ペア:

[(1, 20294700), (2, 10147350), (3, 6764900), (4, 5073675), (5, 4058940), (6, 3382450), (10, 2029470), (12, 1691225), (15, 1352980), (20, 1014735), (25, 811788), (30, 676490), (50, 405894), (60, 338245), (61, 332700), (75, 270596), (100, 202947), (122, 166350), (150, 135298), (183, 110900), (244, 83175), (300, 67649), (305, 66540), (366, 55450), (610, 33270), (732, 27725), (915, 22180), (1109, 18300), (1220, 16635), (1525, 13308), (1830, 11090), (2218, 9150), (3050, 6654), (3327, 6100), (3660, 5545), (4436, 4575)]