20487300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{1453}}^1$

素因数の和:1517

約数の個数: 72

約数和(自身を含む): 60579456

約数和(自身を除く): 40092156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 47, 50, 60, 75, 94, 100, 141, 150, 188, 235, 282, 300, 470, 564, 705, 940, 1175, 1410, 1453, 2350, 2820, 2906, 3525, 4359, 4700, 5812, 7050, 7265, 8718, 14100, 14530, 17436, 21795, 29060, 36325, 43590, 68291, 72650, 87180, 108975, 136582, 145300, 204873, 217950, 273164, 341455, 409746, 435900, 682910, 819492, 1024365, 1365820, 1707275, 2048730, 3414550, 4097460, 5121825, 6829100, 10243650, 20487300]

約数ペア:

[(1, 20487300), (2, 10243650), (3, 6829100), (4, 5121825), (5, 4097460), (6, 3414550), (10, 2048730), (12, 1707275), (15, 1365820), (20, 1024365), (25, 819492), (30, 682910), (47, 435900), (50, 409746), (60, 341455), (75, 273164), (94, 217950), (100, 204873), (141, 145300), (150, 136582), (188, 108975), (235, 87180), (282, 72650), (300, 68291), (470, 43590), (564, 36325), (705, 29060), (940, 21795), (1175, 17436), (1410, 14530), (1453, 14100), (2350, 8718), (2820, 7265), (2906, 7050), (3525, 5812), (4359, 4700)]