20478522080

素因数分解:

$2^5\times 5^1\times {\mathrm{173}}^1\times {\mathrm{601}}^1\times {\mathrm{1231}}^1$

素因数の和:2020

約数の個数: 96

約数和(自身を含む): 48780724608

約数和(自身を除く): 28302202528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 173, 346, 601, 692, 865, 1202, 1231, 1384, 1730, 2404, 2462, 2768, 3005, 3460, 4808, 4924, 5536, 6010, 6155, 6920, 9616, 9848, 12020, 12310, 13840, 19232, 19696, 24040, 24620, 27680, 39392, 48080, 49240, 96160, 98480, 103973, 196960, 207946, 212963, 415892, 425926, 519865, 739831, 831784, 851852, 1039730, 1064815, 1479662, 1663568, 1703704, 2079460, 2129630, 2959324, 3327136, 3407408, 3699155, 4158920, 4259260, 5918648, 6814816, 7398310, 8317840, 8518520, 11837296, 14796620, 16635680, 17037040, 23674592, 29593240, 34074080, 59186480, 118372960, 127990763, 255981526, 511963052, 639953815, 1023926104, 1279907630, 2047852208, 2559815260, 4095704416, 5119630520, 10239261040, 20478522080]

約数ペア:

[(1, 20478522080), (2, 10239261040), (4, 5119630520), (5, 4095704416), (8, 2559815260), (10, 2047852208), (16, 1279907630), (20, 1023926104), (32, 639953815), (40, 511963052), (80, 255981526), (160, 127990763), (173, 118372960), (346, 59186480), (601, 34074080), (692, 29593240), (865, 23674592), (1202, 17037040), (1231, 16635680), (1384, 14796620), (1730, 11837296), (2404, 8518520), (2462, 8317840), (2768, 7398310), (3005, 6814816), (3460, 5918648), (4808, 4259260), (4924, 4158920), (5536, 3699155), (6010, 3407408), (6155, 3327136), (6920, 2959324), (9616, 2129630), (9848, 2079460), (12020, 1703704), (12310, 1663568), (13840, 1479662), (19232, 1064815), (19696, 1039730), (24040, 851852), (24620, 831784), (27680, 739831), (39392, 519865), (48080, 425926), (49240, 415892), (96160, 212963), (98480, 207946), (103973, 196960)]