20839991172

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{157721}}^1$

素因数の和:157770

約数の個数: 144

約数和(自身を含む): 65783953536

約数和(自身を除く): 44943962364

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 42, 44, 52, 66, 77, 78, 84, 91, 121, 132, 143, 154, 156, 182, 231, 242, 273, 286, 308, 363, 364, 429, 462, 484, 546, 572, 726, 847, 858, 924, 1001, 1092, 1452, 1573, 1694, 1716, 2002, 2541, 3003, 3146, 3388, 4004, 4719, 5082, 6006, 6292, 9438, 10164, 11011, 12012, 18876, 22022, 33033, 44044, 66066, 132132, 157721, 315442, 473163, 630884, 946326, 1104047, 1734931, 1892652, 2050373, 2208094, 3312141, 3469862, 4100746, 4416188, 5204793, 6151119, 6624282, 6939724, 8201492, 10409586, 12144517, 12302238, 13248564, 14352611, 19084241, 20819172, 22554103, 24289034, 24604476, 28705222, 36433551, 38168482, 43057833, 45108206, 48578068, 57252723, 57410444, 67662309, 72867102, 76336964, 86115666, 90216412, 114505446, 133589687, 135324618, 145734204, 157878721, 172231332, 229010892, 248095133, 267179374, 270649236, 315757442, 400769061, 473636163, 496190266, 534358748, 631514884, 744285399, 801538122, 947272326, 992380532, 1488570798, 1603076244, 1736665931, 1894544652, 2977141596, 3473331862, 5209997793, 6946663724, 10419995586, 20839991172]

約数ペア:

[(1, 20839991172), (2, 10419995586), (3, 6946663724), (4, 5209997793), (6, 3473331862), (7, 2977141596), (11, 1894544652), (12, 1736665931), (13, 1603076244), (14, 1488570798), (21, 992380532), (22, 947272326), (26, 801538122), (28, 744285399), (33, 631514884), (39, 534358748), (42, 496190266), (44, 473636163), (52, 400769061), (66, 315757442), (77, 270649236), (78, 267179374), (84, 248095133), (91, 229010892), (121, 172231332), (132, 157878721), (143, 145734204), (154, 135324618), (156, 133589687), (182, 114505446), (231, 90216412), (242, 86115666), (273, 76336964), (286, 72867102), (308, 67662309), (363, 57410444), (364, 57252723), (429, 48578068), (462, 45108206), (484, 43057833), (546, 38168482), (572, 36433551), (726, 28705222), (847, 24604476), (858, 24289034), (924, 22554103), (1001, 20819172), (1092, 19084241), (1452, 14352611), (1573, 13248564), (1694, 12302238), (1716, 12144517), (2002, 10409586), (2541, 8201492), (3003, 6939724), (3146, 6624282), (3388, 6151119), (4004, 5204793), (4719, 4416188), (5082, 4100746), (6006, 3469862), (6292, 3312141), (9438, 2208094), (10164, 2050373), (11011, 1892652), (12012, 1734931), (18876, 1104047), (22022, 946326), (33033, 630884), (44044, 473163), (66066, 315442), (132132, 157721)]