20839800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{739}}^1$

素因数の和:805

約数の個数: 96

約数和(自身を含む): 66067200

約数和(自身を除く): 45227400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 47, 50, 60, 75, 94, 100, 120, 141, 150, 188, 200, 235, 282, 300, 376, 470, 564, 600, 705, 739, 940, 1128, 1175, 1410, 1478, 1880, 2217, 2350, 2820, 2956, 3525, 3695, 4434, 4700, 5640, 5912, 7050, 7390, 8868, 9400, 11085, 14100, 14780, 17736, 18475, 22170, 28200, 29560, 34733, 36950, 44340, 55425, 69466, 73900, 88680, 104199, 110850, 138932, 147800, 173665, 208398, 221700, 277864, 347330, 416796, 443400, 520995, 694660, 833592, 868325, 1041990, 1389320, 1736650, 2083980, 2604975, 3473300, 4167960, 5209950, 6946600, 10419900, 20839800]

約数ペア:

[(1, 20839800), (2, 10419900), (3, 6946600), (4, 5209950), (5, 4167960), (6, 3473300), (8, 2604975), (10, 2083980), (12, 1736650), (15, 1389320), (20, 1041990), (24, 868325), (25, 833592), (30, 694660), (40, 520995), (47, 443400), (50, 416796), (60, 347330), (75, 277864), (94, 221700), (100, 208398), (120, 173665), (141, 147800), (150, 138932), (188, 110850), (200, 104199), (235, 88680), (282, 73900), (300, 69466), (376, 55425), (470, 44340), (564, 36950), (600, 34733), (705, 29560), (739, 28200), (940, 22170), (1128, 18475), (1175, 17736), (1410, 14780), (1478, 14100), (1880, 11085), (2217, 9400), (2350, 8868), (2820, 7390), (2956, 7050), (3525, 5912), (3695, 5640), (4434, 4700)]