20491248

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:382

約数の個数: 80

約数和(自身を含む): 55996416

約数和(自身を除く): 35505168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 47, 48, 62, 93, 94, 124, 141, 186, 188, 248, 282, 293, 372, 376, 496, 564, 586, 744, 752, 879, 1128, 1172, 1457, 1488, 1758, 2256, 2344, 2914, 3516, 4371, 4688, 5828, 7032, 8742, 9083, 11656, 13771, 14064, 17484, 18166, 23312, 27249, 27542, 34968, 36332, 41313, 54498, 55084, 69936, 72664, 82626, 108996, 110168, 145328, 165252, 217992, 220336, 330504, 426901, 435984, 661008, 853802, 1280703, 1707604, 2561406, 3415208, 5122812, 6830416, 10245624, 20491248]

約数ペア:

[(1, 20491248), (2, 10245624), (3, 6830416), (4, 5122812), (6, 3415208), (8, 2561406), (12, 1707604), (16, 1280703), (24, 853802), (31, 661008), (47, 435984), (48, 426901), (62, 330504), (93, 220336), (94, 217992), (124, 165252), (141, 145328), (186, 110168), (188, 108996), (248, 82626), (282, 72664), (293, 69936), (372, 55084), (376, 54498), (496, 41313), (564, 36332), (586, 34968), (744, 27542), (752, 27249), (879, 23312), (1128, 18166), (1172, 17484), (1457, 14064), (1488, 13771), (1758, 11656), (2256, 9083), (2344, 8742), (2914, 7032), (3516, 5828), (4371, 4688)]