20142920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 54172800

約数和(自身を除く): 34029880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 49, 56, 70, 86, 98, 140, 172, 196, 215, 239, 245, 280, 301, 344, 392, 430, 478, 490, 602, 860, 956, 980, 1195, 1204, 1505, 1673, 1720, 1912, 1960, 2107, 2390, 2408, 3010, 3346, 4214, 4780, 6020, 6692, 8365, 8428, 9560, 10277, 10535, 11711, 12040, 13384, 16730, 16856, 20554, 21070, 23422, 33460, 41108, 42140, 46844, 51385, 58555, 66920, 71939, 82216, 84280, 93688, 102770, 117110, 143878, 205540, 234220, 287756, 359695, 411080, 468440, 503573, 575512, 719390, 1007146, 1438780, 2014292, 2517865, 2877560, 4028584, 5035730, 10071460, 20142920]

約数ペア:

[(1, 20142920), (2, 10071460), (4, 5035730), (5, 4028584), (7, 2877560), (8, 2517865), (10, 2014292), (14, 1438780), (20, 1007146), (28, 719390), (35, 575512), (40, 503573), (43, 468440), (49, 411080), (56, 359695), (70, 287756), (86, 234220), (98, 205540), (140, 143878), (172, 117110), (196, 102770), (215, 93688), (239, 84280), (245, 82216), (280, 71939), (301, 66920), (344, 58555), (392, 51385), (430, 46844), (478, 42140), (490, 41108), (602, 33460), (860, 23422), (956, 21070), (980, 20554), (1195, 16856), (1204, 16730), (1505, 13384), (1673, 12040), (1720, 11711), (1912, 10535), (1960, 10277), (2107, 9560), (2390, 8428), (2408, 8365), (3010, 6692), (3346, 6020), (4214, 4780)]