20462463

素因数分解:

$3^4\times 7^1\times {\mathrm{151}}^1\times {\mathrm{239}}^1$

素因数の和:409

約数の個数: 40

約数和(自身を含む): 35312640

約数和(自身を除く): 14850177

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 151, 189, 239, 453, 567, 717, 1057, 1359, 1673, 2151, 3171, 4077, 5019, 6453, 9513, 12231, 15057, 19359, 28539, 36089, 45171, 85617, 108267, 135513, 252623, 324801, 757869, 974403, 2273607, 2923209, 6820821, 20462463]

約数ペア:

[(1, 20462463), (3, 6820821), (7, 2923209), (9, 2273607), (21, 974403), (27, 757869), (63, 324801), (81, 252623), (151, 135513), (189, 108267), (239, 85617), (453, 45171), (567, 36089), (717, 28539), (1057, 19359), (1359, 15057), (1673, 12231), (2151, 9513), (3171, 6453), (4077, 5019)]