20891430

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{33161}}^1$

素因数の和:33181

約数の個数: 48

約数和(自身を含む): 62079264

約数和(自身を除く): 41187834

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 33161, 66322, 99483, 165805, 198966, 232127, 298449, 331610, 464254, 497415, 596898, 696381, 994830, 1160635, 1392762, 1492245, 2089143, 2321270, 2984490, 3481905, 4178286, 6963810, 10445715, 20891430]

約数ペア:

[(1, 20891430), (2, 10445715), (3, 6963810), (5, 4178286), (6, 3481905), (7, 2984490), (9, 2321270), (10, 2089143), (14, 1492245), (15, 1392762), (18, 1160635), (21, 994830), (30, 696381), (35, 596898), (42, 497415), (45, 464254), (63, 331610), (70, 298449), (90, 232127), (105, 198966), (126, 165805), (210, 99483), (315, 66322), (630, 33161)]