20018430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{641}}^1$

素因数の和:1001

約数の個数: 48

約数和(自身を含む): 52279344

約数和(自身を除く): 32260914

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 347, 641, 694, 1041, 1282, 1735, 1923, 2082, 3123, 3205, 3470, 3846, 5205, 5769, 6246, 6410, 9615, 10410, 11538, 15615, 19230, 28845, 31230, 57690, 222427, 444854, 667281, 1112135, 1334562, 2001843, 2224270, 3336405, 4003686, 6672810, 10009215, 20018430]

約数ペア:

[(1, 20018430), (2, 10009215), (3, 6672810), (5, 4003686), (6, 3336405), (9, 2224270), (10, 2001843), (15, 1334562), (18, 1112135), (30, 667281), (45, 444854), (90, 222427), (347, 57690), (641, 31230), (694, 28845), (1041, 19230), (1282, 15615), (1735, 11538), (1923, 10410), (2082, 9615), (3123, 6410), (3205, 6246), (3470, 5769), (3846, 5205)]