2020256472

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20047}}^1$

素因数の和:20105

約数の個数: 128

約数和(自身を含む): 6062515200

約数和(自身を除く): 4042258728

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 19, 24, 26, 34, 38, 39, 51, 52, 57, 68, 76, 78, 102, 104, 114, 136, 152, 156, 204, 221, 228, 247, 312, 323, 408, 442, 456, 494, 646, 663, 741, 884, 969, 988, 1292, 1326, 1482, 1768, 1938, 1976, 2584, 2652, 2964, 3876, 4199, 5304, 5928, 7752, 8398, 12597, 16796, 20047, 25194, 33592, 40094, 50388, 60141, 80188, 100776, 120282, 160376, 240564, 260611, 340799, 380893, 481128, 521222, 681598, 761786, 781833, 1022397, 1042444, 1142679, 1363196, 1523572, 1563666, 2044794, 2084888, 2285358, 2726392, 3047144, 3127332, 4089588, 4430387, 4570716, 4951609, 6254664, 6475181, 8179176, 8860774, 9141432, 9903218, 12950362, 13291161, 14854827, 17721548, 19425543, 19806436, 25900724, 26582322, 29709654, 35443096, 38851086, 39612872, 51801448, 53164644, 59419308, 77702172, 84177353, 106329288, 118838616, 155404344, 168354706, 252532059, 336709412, 505064118, 673418824, 1010128236, 2020256472]

約数ペア:

[(1, 2020256472), (2, 1010128236), (3, 673418824), (4, 505064118), (6, 336709412), (8, 252532059), (12, 168354706), (13, 155404344), (17, 118838616), (19, 106329288), (24, 84177353), (26, 77702172), (34, 59419308), (38, 53164644), (39, 51801448), (51, 39612872), (52, 38851086), (57, 35443096), (68, 29709654), (76, 26582322), (78, 25900724), (102, 19806436), (104, 19425543), (114, 17721548), (136, 14854827), (152, 13291161), (156, 12950362), (204, 9903218), (221, 9141432), (228, 8860774), (247, 8179176), (312, 6475181), (323, 6254664), (408, 4951609), (442, 4570716), (456, 4430387), (494, 4089588), (646, 3127332), (663, 3047144), (741, 2726392), (884, 2285358), (969, 2084888), (988, 2044794), (1292, 1563666), (1326, 1523572), (1482, 1363196), (1768, 1142679), (1938, 1042444), (1976, 1022397), (2584, 781833), (2652, 761786), (2964, 681598), (3876, 521222), (4199, 481128), (5304, 380893), (5928, 340799), (7752, 260611), (8398, 240564), (12597, 160376), (16796, 120282), (20047, 100776), (25194, 80188), (33592, 60141), (40094, 50388)]