20188395420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{822673}}^1$

素因数の和:823094

約数の個数: 48

約数和(自身を含む): 56665785120

約数和(自身を除く): 36477389700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 409, 818, 1227, 1636, 2045, 2454, 4090, 4908, 6135, 8180, 12270, 24540, 822673, 1645346, 2468019, 3290692, 4113365, 4936038, 8226730, 9872076, 12340095, 16453460, 24680190, 49360380, 336473257, 672946514, 1009419771, 1345893028, 1682366285, 2018839542, 3364732570, 4037679084, 5047098855, 6729465140, 10094197710, 20188395420]

約数ペア:

[(1, 20188395420), (2, 10094197710), (3, 6729465140), (4, 5047098855), (5, 4037679084), (6, 3364732570), (10, 2018839542), (12, 1682366285), (15, 1345893028), (20, 1009419771), (30, 672946514), (60, 336473257), (409, 49360380), (818, 24680190), (1227, 16453460), (1636, 12340095), (2045, 9872076), (2454, 8226730), (4090, 4936038), (4908, 4113365), (6135, 3290692), (8180, 2468019), (12270, 1645346), (24540, 822673)]