20007585

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1487}}^1$

素因数の和:1534

約数の個数: 48

約数和(自身を含む): 38997504

約数和(自身を除く): 18989919

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 195, 207, 299, 345, 585, 897, 1035, 1487, 1495, 2691, 4461, 4485, 7435, 13383, 13455, 19331, 22305, 34201, 57993, 66915, 96655, 102603, 171005, 173979, 289965, 307809, 444613, 513015, 869895, 1333839, 1539045, 2223065, 4001517, 6669195, 20007585]

約数ペア:

[(1, 20007585), (3, 6669195), (5, 4001517), (9, 2223065), (13, 1539045), (15, 1333839), (23, 869895), (39, 513015), (45, 444613), (65, 307809), (69, 289965), (115, 173979), (117, 171005), (195, 102603), (207, 96655), (299, 66915), (345, 57993), (585, 34201), (897, 22305), (1035, 19331), (1487, 13455), (1495, 13383), (2691, 7435), (4461, 4485)]