20092455

素因数分解:

$3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{719}}^1$

素因数の和:762

約数の個数: 48

約数和(自身を含む): 37739520

約数和(自身を除く): 17647065

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 243, 345, 405, 621, 719, 1035, 1215, 1863, 2157, 3105, 3595, 5589, 6471, 9315, 10785, 16537, 19413, 27945, 32355, 49611, 58239, 82685, 97065, 148833, 174717, 248055, 291195, 446499, 744165, 873585, 1339497, 2232495, 4018491, 6697485, 20092455]

約数ペア:

[(1, 20092455), (3, 6697485), (5, 4018491), (9, 2232495), (15, 1339497), (23, 873585), (27, 744165), (45, 446499), (69, 291195), (81, 248055), (115, 174717), (135, 148833), (207, 97065), (243, 82685), (345, 58239), (405, 49611), (621, 32355), (719, 27945), (1035, 19413), (1215, 16537), (1863, 10785), (2157, 9315), (3105, 6471), (3595, 5589)]