20138263005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{844903}}^1$

素因数の和:845145

約数の個数: 32

約数和(自身を含む): 36986517504

約数和(自身を除く): 16848254499

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 227, 681, 1135, 1589, 3405, 4767, 7945, 23835, 844903, 2534709, 4224515, 5914321, 12673545, 17742963, 29571605, 88714815, 191792981, 575378943, 958964905, 1342550867, 2876894715, 4027652601, 6712754335, 20138263005]

約数ペア:

[(1, 20138263005), (3, 6712754335), (5, 4027652601), (7, 2876894715), (15, 1342550867), (21, 958964905), (35, 575378943), (105, 191792981), (227, 88714815), (681, 29571605), (1135, 17742963), (1589, 12673545), (3405, 5914321), (4767, 4224515), (7945, 2534709), (23835, 844903)]