20293245

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2801}}^1$

素因数の和:2842

約数の個数: 48

約数和(自身を含む): 41962752

約数和(自身を除く): 21669507

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 63, 69, 105, 115, 161, 207, 315, 345, 483, 805, 1035, 1449, 2415, 2801, 7245, 8403, 14005, 19607, 25209, 42015, 58821, 64423, 98035, 126045, 176463, 193269, 294105, 322115, 450961, 579807, 882315, 966345, 1352883, 2254805, 2899035, 4058649, 6764415, 20293245]

約数ペア:

[(1, 20293245), (3, 6764415), (5, 4058649), (7, 2899035), (9, 2254805), (15, 1352883), (21, 966345), (23, 882315), (35, 579807), (45, 450961), (63, 322115), (69, 294105), (105, 193269), (115, 176463), (161, 126045), (207, 98035), (315, 64423), (345, 58821), (483, 42015), (805, 25209), (1035, 19607), (1449, 14005), (2415, 8403), (2801, 7245)]