20475504

素因数分解:

$2^4\times 3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:125

約数の個数: 200

約数和(自身を含む): 70698848

約数和(自身を除く): 50223344

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 37, 42, 48, 54, 56, 61, 63, 72, 74, 81, 84, 108, 111, 112, 122, 126, 144, 148, 162, 168, 183, 189, 216, 222, 244, 252, 259, 296, 324, 333, 336, 366, 378, 427, 432, 444, 488, 504, 518, 549, 567, 592, 648, 666, 732, 756, 777, 854, 888, 976, 999, 1008, 1036, 1098, 1134, 1281, 1296, 1332, 1464, 1512, 1554, 1647, 1708, 1776, 1998, 2072, 2196, 2257, 2268, 2331, 2562, 2664, 2928, 2997, 3024, 3108, 3294, 3416, 3843, 3996, 4144, 4392, 4514, 4536, 4662, 4941, 5124, 5328, 5994, 6216, 6588, 6771, 6832, 6993, 7686, 7992, 8784, 9028, 9072, 9324, 9882, 10248, 11529, 11988, 12432, 13176, 13542, 13986, 15372, 15799, 15984, 18056, 18648, 19764, 20313, 20496, 20979, 23058, 23976, 26352, 27084, 27972, 30744, 31598, 34587, 36112, 37296, 39528, 40626, 41958, 46116, 47397, 47952, 54168, 55944, 60939, 61488, 63196, 69174, 79056, 81252, 83916, 92232, 94794, 108336, 111888, 121878, 126392, 138348, 142191, 162504, 167832, 182817, 184464, 189588, 243756, 252784, 276696, 284382, 325008, 335664, 365634, 379176, 426573, 487512, 553392, 568764, 731268, 758352, 853146, 975024, 1137528, 1279719, 1462536, 1706292, 2275056, 2559438, 2925072, 3412584, 5118876, 6825168, 10237752, 20475504]

約数ペア:

[(1, 20475504), (2, 10237752), (3, 6825168), (4, 5118876), (6, 3412584), (7, 2925072), (8, 2559438), (9, 2275056), (12, 1706292), (14, 1462536), (16, 1279719), (18, 1137528), (21, 975024), (24, 853146), (27, 758352), (28, 731268), (36, 568764), (37, 553392), (42, 487512), (48, 426573), (54, 379176), (56, 365634), (61, 335664), (63, 325008), (72, 284382), (74, 276696), (81, 252784), (84, 243756), (108, 189588), (111, 184464), (112, 182817), (122, 167832), (126, 162504), (144, 142191), (148, 138348), (162, 126392), (168, 121878), (183, 111888), (189, 108336), (216, 94794), (222, 92232), (244, 83916), (252, 81252), (259, 79056), (296, 69174), (324, 63196), (333, 61488), (336, 60939), (366, 55944), (378, 54168), (427, 47952), (432, 47397), (444, 46116), (488, 41958), (504, 40626), (518, 39528), (549, 37296), (567, 36112), (592, 34587), (648, 31598), (666, 30744), (732, 27972), (756, 27084), (777, 26352), (854, 23976), (888, 23058), (976, 20979), (999, 20496), (1008, 20313), (1036, 19764), (1098, 18648), (1134, 18056), (1281, 15984), (1296, 15799), (1332, 15372), (1464, 13986), (1512, 13542), (1554, 13176), (1647, 12432), (1708, 11988), (1776, 11529), (1998, 10248), (2072, 9882), (2196, 9324), (2257, 9072), (2268, 9028), (2331, 8784), (2562, 7992), (2664, 7686), (2928, 6993), (2997, 6832), (3024, 6771), (3108, 6588), (3294, 6216), (3416, 5994), (3843, 5328), (3996, 5124), (4144, 4941), (4392, 4662), (4514, 4536)]