20828111904

素因数分解:

$2^5\times 3^4\times {\mathrm{19}}^1\times {\mathrm{422923}}^1$

素因数の和:422964

約数の個数: 120

約数和(自身を含む): 64478993040

約数和(自身を除く): 43650881136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 72, 76, 81, 96, 108, 114, 144, 152, 162, 171, 216, 228, 288, 304, 324, 342, 432, 456, 513, 608, 648, 684, 864, 912, 1026, 1296, 1368, 1539, 1824, 2052, 2592, 2736, 3078, 4104, 5472, 6156, 8208, 12312, 16416, 24624, 49248, 422923, 845846, 1268769, 1691692, 2537538, 3383384, 3806307, 5075076, 6766768, 7612614, 8035537, 10150152, 11418921, 13533536, 15225228, 16071074, 20300304, 22837842, 24106611, 30450456, 32142148, 34256763, 40600608, 45675684, 48213222, 60900912, 64284296, 68513526, 72319833, 91351368, 96426444, 121801824, 128568592, 137027052, 144639666, 182702736, 192852888, 216959499, 257137184, 274054104, 289279332, 365405472, 385705776, 433918998, 548108208, 578558664, 650878497, 771411552, 867837996, 1096216416, 1157117328, 1301756994, 1735675992, 2314234656, 2603513988, 3471351984, 5207027976, 6942703968, 10414055952, 20828111904]

約数ペア:

[(1, 20828111904), (2, 10414055952), (3, 6942703968), (4, 5207027976), (6, 3471351984), (8, 2603513988), (9, 2314234656), (12, 1735675992), (16, 1301756994), (18, 1157117328), (19, 1096216416), (24, 867837996), (27, 771411552), (32, 650878497), (36, 578558664), (38, 548108208), (48, 433918998), (54, 385705776), (57, 365405472), (72, 289279332), (76, 274054104), (81, 257137184), (96, 216959499), (108, 192852888), (114, 182702736), (144, 144639666), (152, 137027052), (162, 128568592), (171, 121801824), (216, 96426444), (228, 91351368), (288, 72319833), (304, 68513526), (324, 64284296), (342, 60900912), (432, 48213222), (456, 45675684), (513, 40600608), (608, 34256763), (648, 32142148), (684, 30450456), (864, 24106611), (912, 22837842), (1026, 20300304), (1296, 16071074), (1368, 15225228), (1539, 13533536), (1824, 11418921), (2052, 10150152), (2592, 8035537), (2736, 7612614), (3078, 6766768), (4104, 5075076), (5472, 3806307), (6156, 3383384), (8208, 2537538), (12312, 1691692), (16416, 1268769), (24624, 845846), (49248, 422923)]