20210365425

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{337261}}^1$

素因数の和:337338

約数の個数: 48

約数和(自身を含む): 36132901632

約数和(自身を除く): 15922536207

約数列:

[1, 3, 5, 15, 17, 25, 47, 51, 75, 85, 141, 235, 255, 425, 705, 799, 1175, 1275, 2397, 3525, 3995, 11985, 19975, 59925, 337261, 1011783, 1686305, 5058915, 5733437, 8431525, 15851267, 17200311, 25294575, 28667185, 47553801, 79256335, 86001555, 143335925, 237769005, 269471539, 396281675, 430007775, 808414617, 1188845025, 1347357695, 4042073085, 6736788475, 20210365425]

約数ペア:

[(1, 20210365425), (3, 6736788475), (5, 4042073085), (15, 1347357695), (17, 1188845025), (25, 808414617), (47, 430007775), (51, 396281675), (75, 269471539), (85, 237769005), (141, 143335925), (235, 86001555), (255, 79256335), (425, 47553801), (705, 28667185), (799, 25294575), (1175, 17200311), (1275, 15851267), (2397, 8431525), (3525, 5733437), (3995, 5058915), (11985, 1686305), (19975, 1011783), (59925, 337261)]