20726506920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{24674413}}^1$

素因数の和:24674434

約数の個数: 64

約数和(自身を含む): 71062312320

約数和(自身を除く): 50335805400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 24674413, 49348826, 74023239, 98697652, 123372065, 148046478, 172720891, 197395304, 246744130, 296092956, 345441782, 370116195, 493488260, 518162673, 592185912, 690883564, 740232390, 863604455, 986976520, 1036325346, 1381767128, 1480464780, 1727208910, 2072650692, 2590813365, 2960929560, 3454417820, 4145301384, 5181626730, 6908835640, 10363253460, 20726506920]

約数ペア:

[(1, 20726506920), (2, 10363253460), (3, 6908835640), (4, 5181626730), (5, 4145301384), (6, 3454417820), (7, 2960929560), (8, 2590813365), (10, 2072650692), (12, 1727208910), (14, 1480464780), (15, 1381767128), (20, 1036325346), (21, 986976520), (24, 863604455), (28, 740232390), (30, 690883564), (35, 592185912), (40, 518162673), (42, 493488260), (56, 370116195), (60, 345441782), (70, 296092956), (84, 246744130), (105, 197395304), (120, 172720891), (140, 148046478), (168, 123372065), (210, 98697652), (280, 74023239), (420, 49348826), (840, 24674413)]