20101420196

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{3767}}^1$

素因数の和:4305

約数の個数: 96

約数和(自身を含む): 43602693120

約数和(自身を除く): 23501272924

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 143, 209, 247, 286, 418, 491, 494, 572, 836, 982, 988, 1964, 2717, 3767, 5401, 5434, 6383, 7534, 9329, 10802, 10868, 12766, 15068, 18658, 21604, 25532, 37316, 41437, 48971, 70213, 71573, 82874, 97942, 102619, 121277, 140426, 143146, 165748, 195884, 205238, 242554, 280852, 286292, 410476, 485108, 538681, 787303, 930449, 1077362, 1334047, 1574606, 1849597, 1860898, 2154724, 2668094, 3149212, 3699194, 3721796, 5336188, 7398388, 10234939, 20345567, 20469878, 24044761, 35142343, 40691134, 40939756, 48089522, 70284686, 81382268, 96179044, 140569372, 264492371, 386565773, 456850459, 528984742, 773131546, 913700918, 1057969484, 1546263092, 1827401836, 5025355049, 10050710098, 20101420196]

約数ペア:

[(1, 20101420196), (2, 10050710098), (4, 5025355049), (11, 1827401836), (13, 1546263092), (19, 1057969484), (22, 913700918), (26, 773131546), (38, 528984742), (44, 456850459), (52, 386565773), (76, 264492371), (143, 140569372), (209, 96179044), (247, 81382268), (286, 70284686), (418, 48089522), (491, 40939756), (494, 40691134), (572, 35142343), (836, 24044761), (982, 20469878), (988, 20345567), (1964, 10234939), (2717, 7398388), (3767, 5336188), (5401, 3721796), (5434, 3699194), (6383, 3149212), (7534, 2668094), (9329, 2154724), (10802, 1860898), (10868, 1849597), (12766, 1574606), (15068, 1334047), (18658, 1077362), (21604, 930449), (25532, 787303), (37316, 538681), (41437, 485108), (48971, 410476), (70213, 286292), (71573, 280852), (82874, 242554), (97942, 205238), (102619, 195884), (121277, 165748), (140426, 143146)]