20515464

素因数分解:

$2^3\times 3^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:220

約数の個数: 128

約数和(自身を含む): 62380800

約数和(自身を除く): 41865336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 37, 51, 54, 68, 72, 74, 102, 108, 111, 136, 148, 151, 153, 204, 216, 222, 296, 302, 306, 333, 408, 444, 453, 459, 604, 612, 629, 666, 888, 906, 918, 999, 1208, 1224, 1258, 1332, 1359, 1812, 1836, 1887, 1998, 2516, 2567, 2664, 2718, 3624, 3672, 3774, 3996, 4077, 5032, 5134, 5436, 5587, 5661, 7548, 7701, 7992, 8154, 10268, 10872, 11174, 11322, 15096, 15402, 16308, 16761, 16983, 20536, 22348, 22644, 23103, 30804, 32616, 33522, 33966, 44696, 45288, 46206, 50283, 61608, 67044, 67932, 69309, 92412, 94979, 100566, 134088, 135864, 138618, 150849, 184824, 189958, 201132, 277236, 284937, 301698, 379916, 402264, 554472, 569874, 603396, 759832, 854811, 1139748, 1206792, 1709622, 2279496, 2564433, 3419244, 5128866, 6838488, 10257732, 20515464]

約数ペア:

[(1, 20515464), (2, 10257732), (3, 6838488), (4, 5128866), (6, 3419244), (8, 2564433), (9, 2279496), (12, 1709622), (17, 1206792), (18, 1139748), (24, 854811), (27, 759832), (34, 603396), (36, 569874), (37, 554472), (51, 402264), (54, 379916), (68, 301698), (72, 284937), (74, 277236), (102, 201132), (108, 189958), (111, 184824), (136, 150849), (148, 138618), (151, 135864), (153, 134088), (204, 100566), (216, 94979), (222, 92412), (296, 69309), (302, 67932), (306, 67044), (333, 61608), (408, 50283), (444, 46206), (453, 45288), (459, 44696), (604, 33966), (612, 33522), (629, 32616), (666, 30804), (888, 23103), (906, 22644), (918, 22348), (999, 20536), (1208, 16983), (1224, 16761), (1258, 16308), (1332, 15402), (1359, 15096), (1812, 11322), (1836, 11174), (1887, 10872), (1998, 10268), (2516, 8154), (2567, 7992), (2664, 7701), (2718, 7548), (3624, 5661), (3672, 5587), (3774, 5436), (3996, 5134), (4077, 5032)]