20625135

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{313}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 34725888

約数和(自身を除く): 14100753

約数列:

[1, 3, 5, 15, 23, 69, 115, 191, 313, 345, 573, 939, 955, 1565, 2865, 4393, 4695, 7199, 13179, 21597, 21965, 35995, 59783, 65895, 107985, 179349, 298915, 896745, 1375009, 4125027, 6875045, 20625135]

約数ペア:

[(1, 20625135), (3, 6875045), (5, 4125027), (15, 1375009), (23, 896745), (69, 298915), (115, 179349), (191, 107985), (313, 65895), (345, 59783), (573, 35995), (939, 21965), (955, 21597), (1565, 13179), (2865, 7199), (4393, 4695)]