20421312

素因数分解:

$2^6\times 3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:166

約数の個数: 112

約数和(自身を含む): 57741312

約数和(自身を除く): 37320000

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 47, 48, 62, 64, 73, 93, 94, 96, 124, 141, 146, 186, 188, 192, 219, 248, 282, 292, 372, 376, 438, 496, 564, 584, 744, 752, 876, 992, 1128, 1168, 1457, 1488, 1504, 1752, 1984, 2256, 2263, 2336, 2914, 2976, 3008, 3431, 3504, 4371, 4512, 4526, 4672, 5828, 5952, 6789, 6862, 7008, 8742, 9024, 9052, 10293, 11656, 13578, 13724, 14016, 17484, 18104, 20586, 23312, 27156, 27448, 34968, 36208, 41172, 46624, 54312, 54896, 69936, 72416, 82344, 93248, 106361, 108624, 109792, 139872, 144832, 164688, 212722, 217248, 219584, 279744, 319083, 329376, 425444, 434496, 638166, 658752, 850888, 1276332, 1701776, 2552664, 3403552, 5105328, 6807104, 10210656, 20421312]

約数ペア:

[(1, 20421312), (2, 10210656), (3, 6807104), (4, 5105328), (6, 3403552), (8, 2552664), (12, 1701776), (16, 1276332), (24, 850888), (31, 658752), (32, 638166), (47, 434496), (48, 425444), (62, 329376), (64, 319083), (73, 279744), (93, 219584), (94, 217248), (96, 212722), (124, 164688), (141, 144832), (146, 139872), (186, 109792), (188, 108624), (192, 106361), (219, 93248), (248, 82344), (282, 72416), (292, 69936), (372, 54896), (376, 54312), (438, 46624), (496, 41172), (564, 36208), (584, 34968), (744, 27448), (752, 27156), (876, 23312), (992, 20586), (1128, 18104), (1168, 17484), (1457, 14016), (1488, 13724), (1504, 13578), (1752, 11656), (1984, 10293), (2256, 9052), (2263, 9024), (2336, 8742), (2914, 7008), (2976, 6862), (3008, 6789), (3431, 5952), (3504, 5828), (4371, 4672), (4512, 4526)]