20334045

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 33640704

約数和(自身を除く): 13306659

約数列:

[1, 3, 5, 15, 61, 71, 183, 213, 305, 313, 355, 915, 939, 1065, 1565, 4331, 4695, 12993, 19093, 21655, 22223, 57279, 64965, 66669, 95465, 111115, 286395, 333345, 1355603, 4066809, 6778015, 20334045]

約数ペア:

[(1, 20334045), (3, 6778015), (5, 4066809), (15, 1355603), (61, 333345), (71, 286395), (183, 111115), (213, 95465), (305, 66669), (313, 64965), (355, 57279), (915, 22223), (939, 21655), (1065, 19093), (1565, 12993), (4331, 4695)]