20199509565

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2\times {\mathrm{47123}}^1$

素因数の和:47230

約数の個数: 48

約数和(自身を含む): 35076089664

約数和(自身を除く): 14876580099

約数列:

[1, 3, 5, 15, 17, 41, 51, 85, 123, 205, 255, 615, 697, 1681, 2091, 3485, 5043, 8405, 10455, 25215, 28577, 47123, 85731, 141369, 142885, 235615, 428655, 706845, 801091, 1932043, 2403273, 4005455, 5796129, 9660215, 12016365, 28980645, 32844731, 79213763, 98534193, 164223655, 237641289, 396068815, 492670965, 1188206445, 1346633971, 4039901913, 6733169855, 20199509565]

約数ペア:

[(1, 20199509565), (3, 6733169855), (5, 4039901913), (15, 1346633971), (17, 1188206445), (41, 492670965), (51, 396068815), (85, 237641289), (123, 164223655), (205, 98534193), (255, 79213763), (615, 32844731), (697, 28980645), (1681, 12016365), (2091, 9660215), (3485, 5796129), (5043, 4005455), (8405, 2403273), (10455, 1932043), (25215, 801091), (28577, 706845), (47123, 428655), (85731, 235615), (141369, 142885)]