20831738172

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{59}}^2\times {\mathrm{191}}^1\times {\mathrm{373}}^1$

素因数の和:696

約数の個数: 144

約数和(自身を含む): 56956956672

約数和(自身を除く): 36125218500

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 59, 84, 118, 177, 191, 236, 354, 373, 382, 413, 573, 708, 746, 764, 826, 1119, 1146, 1239, 1337, 1492, 1652, 2238, 2292, 2478, 2611, 2674, 3481, 4011, 4476, 4956, 5222, 5348, 6962, 7833, 8022, 10443, 10444, 11269, 13924, 15666, 16044, 20886, 22007, 22538, 24367, 31332, 33807, 41772, 44014, 45076, 48734, 66021, 67614, 71243, 73101, 78883, 88028, 97468, 132042, 135228, 142486, 146202, 154049, 157766, 213729, 236649, 264084, 284972, 292404, 308098, 315532, 427458, 462147, 473298, 498701, 616196, 664871, 854916, 924294, 946596, 997402, 1298413, 1329742, 1496103, 1848588, 1994613, 1994804, 2596826, 2659484, 2992206, 3895239, 3989226, 4203337, 4654097, 5193652, 5984412, 7790478, 7978452, 8406674, 9088891, 9308194, 12610011, 13962291, 15580956, 16813348, 18177782, 18616388, 25220022, 27266673, 27924582, 29423359, 36355564, 50440044, 54533346, 55849164, 58846718, 88270077, 109066692, 117693436, 176540154, 247996883, 353080308, 495993766, 743990649, 991987532, 1487981298, 1735978181, 2975962596, 3471956362, 5207934543, 6943912724, 10415869086, 20831738172]

約数ペア:

[(1, 20831738172), (2, 10415869086), (3, 6943912724), (4, 5207934543), (6, 3471956362), (7, 2975962596), (12, 1735978181), (14, 1487981298), (21, 991987532), (28, 743990649), (42, 495993766), (59, 353080308), (84, 247996883), (118, 176540154), (177, 117693436), (191, 109066692), (236, 88270077), (354, 58846718), (373, 55849164), (382, 54533346), (413, 50440044), (573, 36355564), (708, 29423359), (746, 27924582), (764, 27266673), (826, 25220022), (1119, 18616388), (1146, 18177782), (1239, 16813348), (1337, 15580956), (1492, 13962291), (1652, 12610011), (2238, 9308194), (2292, 9088891), (2478, 8406674), (2611, 7978452), (2674, 7790478), (3481, 5984412), (4011, 5193652), (4476, 4654097), (4956, 4203337), (5222, 3989226), (5348, 3895239), (6962, 2992206), (7833, 2659484), (8022, 2596826), (10443, 1994804), (10444, 1994613), (11269, 1848588), (13924, 1496103), (15666, 1329742), (16044, 1298413), (20886, 997402), (22007, 946596), (22538, 924294), (24367, 854916), (31332, 664871), (33807, 616196), (41772, 498701), (44014, 473298), (45076, 462147), (48734, 427458), (66021, 315532), (67614, 308098), (71243, 292404), (73101, 284972), (78883, 264084), (88028, 236649), (97468, 213729), (132042, 157766), (135228, 154049), (142486, 146202)]