20407130984

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{359}}^1\times {\mathrm{1451}}^1$

素因数の和:1958

約数の個数: 64

約数和(自身を含む): 39517632000

約数和(自身を除く): 19110501016

約数列:

[1, 2, 4, 8, 59, 83, 118, 166, 236, 332, 359, 472, 664, 718, 1436, 1451, 2872, 2902, 4897, 5804, 9794, 11608, 19588, 21181, 29797, 39176, 42362, 59594, 84724, 85609, 119188, 120433, 169448, 171218, 238376, 240866, 342436, 481732, 520909, 684872, 963464, 1041818, 1758023, 2083636, 3516046, 4167272, 7032092, 7105547, 14064184, 14211094, 28422188, 30733631, 43235447, 56844376, 61467262, 86470894, 122934524, 172941788, 245869048, 345883576, 2550891373, 5101782746, 10203565492, 20407130984]

約数ペア:

[(1, 20407130984), (2, 10203565492), (4, 5101782746), (8, 2550891373), (59, 345883576), (83, 245869048), (118, 172941788), (166, 122934524), (236, 86470894), (332, 61467262), (359, 56844376), (472, 43235447), (664, 30733631), (718, 28422188), (1436, 14211094), (1451, 14064184), (2872, 7105547), (2902, 7032092), (4897, 4167272), (5804, 3516046), (9794, 2083636), (11608, 1758023), (19588, 1041818), (21181, 963464), (29797, 684872), (39176, 520909), (42362, 481732), (59594, 342436), (84724, 240866), (85609, 238376), (119188, 171218), (120433, 169448)]