20199771088

素因数分解:

$2^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{13331}}^1$

素因数の和:13592

約数の個数: 80

約数和(自身を含む): 45548084736

約数和(自身を除く): 25348313648

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 83, 112, 163, 166, 326, 332, 581, 652, 664, 1141, 1162, 1304, 1328, 2282, 2324, 2608, 4564, 4648, 9128, 9296, 13331, 13529, 18256, 26662, 27058, 53324, 54116, 93317, 94703, 106648, 108232, 186634, 189406, 213296, 216464, 373268, 378812, 746536, 757624, 1106473, 1493072, 1515248, 2172953, 2212946, 4345906, 4425892, 7745311, 8691812, 8851784, 15210671, 15490622, 17383624, 17703568, 30421342, 30981244, 34767248, 60842684, 61962488, 121685368, 123924976, 180355099, 243370736, 360710198, 721420396, 1262485693, 1442840792, 2524971386, 2885681584, 5049942772, 10099885544, 20199771088]

約数ペア:

[(1, 20199771088), (2, 10099885544), (4, 5049942772), (7, 2885681584), (8, 2524971386), (14, 1442840792), (16, 1262485693), (28, 721420396), (56, 360710198), (83, 243370736), (112, 180355099), (163, 123924976), (166, 121685368), (326, 61962488), (332, 60842684), (581, 34767248), (652, 30981244), (664, 30421342), (1141, 17703568), (1162, 17383624), (1304, 15490622), (1328, 15210671), (2282, 8851784), (2324, 8691812), (2608, 7745311), (4564, 4425892), (4648, 4345906), (9128, 2212946), (9296, 2172953), (13331, 1515248), (13529, 1493072), (18256, 1106473), (26662, 757624), (27058, 746536), (53324, 378812), (54116, 373268), (93317, 216464), (94703, 213296), (106648, 189406), (108232, 186634)]