20791030792

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{839}}^1$

素因数の和:1187

約数の個数: 128

約数和(自身を含む): 46942156800

約数和(自身を除く): 26151126008

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 43, 56, 82, 86, 164, 172, 251, 287, 301, 328, 344, 502, 574, 602, 839, 1004, 1148, 1204, 1678, 1757, 1763, 2008, 2296, 2408, 3356, 3514, 3526, 5873, 6712, 7028, 7052, 10291, 10793, 11746, 12341, 14056, 14104, 20582, 21586, 23492, 24682, 34399, 36077, 41164, 43172, 46984, 49364, 68798, 72037, 72154, 75551, 82328, 86344, 98728, 137596, 144074, 144308, 151102, 210589, 240793, 252539, 275192, 288148, 288616, 302204, 421178, 442513, 481586, 505078, 576296, 604408, 842356, 885026, 963172, 1010156, 1474123, 1479157, 1684712, 1770052, 1926344, 2020312, 2948246, 2958314, 3097591, 3540104, 5896492, 5916628, 6195182, 8634149, 9055327, 10354099, 11792984, 11833256, 12390364, 17268298, 18110654, 20708198, 24780728, 34536596, 36221308, 41416396, 60439043, 63387289, 69073192, 72442616, 82832792, 120878086, 126774578, 241756172, 253549156, 371268407, 483512344, 507098312, 742536814, 1485073628, 2598878849, 2970147256, 5197757698, 10395515396, 20791030792]

約数ペア:

[(1, 20791030792), (2, 10395515396), (4, 5197757698), (7, 2970147256), (8, 2598878849), (14, 1485073628), (28, 742536814), (41, 507098312), (43, 483512344), (56, 371268407), (82, 253549156), (86, 241756172), (164, 126774578), (172, 120878086), (251, 82832792), (287, 72442616), (301, 69073192), (328, 63387289), (344, 60439043), (502, 41416396), (574, 36221308), (602, 34536596), (839, 24780728), (1004, 20708198), (1148, 18110654), (1204, 17268298), (1678, 12390364), (1757, 11833256), (1763, 11792984), (2008, 10354099), (2296, 9055327), (2408, 8634149), (3356, 6195182), (3514, 5916628), (3526, 5896492), (5873, 3540104), (6712, 3097591), (7028, 2958314), (7052, 2948246), (10291, 2020312), (10793, 1926344), (11746, 1770052), (12341, 1684712), (14056, 1479157), (14104, 1474123), (20582, 1010156), (21586, 963172), (23492, 885026), (24682, 842356), (34399, 604408), (36077, 576296), (41164, 505078), (43172, 481586), (46984, 442513), (49364, 421178), (68798, 302204), (72037, 288616), (72154, 288148), (75551, 275192), (82328, 252539), (86344, 240793), (98728, 210589), (137596, 151102), (144074, 144308)]