20201195105

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1753}}^1$

素因数の和:1871

約数の個数: 128

約数和(自身を含む): 33191854080

約数和(自身を除く): 12990658975

約数列:

[1, 5, 7, 13, 19, 31, 35, 43, 65, 91, 95, 133, 155, 215, 217, 247, 301, 403, 455, 559, 589, 665, 817, 1085, 1235, 1333, 1505, 1729, 1753, 2015, 2795, 2821, 2945, 3913, 4085, 4123, 5719, 6665, 7657, 8645, 8765, 9331, 10621, 12271, 14105, 17329, 19565, 20615, 22789, 25327, 28595, 33307, 38285, 46655, 53105, 53599, 54343, 61355, 74347, 75379, 86645, 113945, 121303, 126635, 159523, 166535, 177289, 233149, 267995, 271715, 329251, 371735, 376895, 380401, 432991, 527653, 606515, 706459, 797615, 886445, 979927, 1032517, 1165745, 1432201, 1646255, 1902005, 2164955, 2304757, 2336749, 2638265, 3030937, 3532295, 4899635, 4945213, 5162585, 6859489, 7161005, 7227619, 10025407, 11523785, 11683745, 13422721, 15154685, 16357243, 18618613, 24726065, 30377737, 34297445, 36138095, 44398231, 50127035, 67113605, 81786215, 93093065, 93959047, 130330291, 151888685, 212644159, 221991155, 310787617, 469795235, 577177003, 651651455, 1063220795, 1553938085, 2885885015, 4040239021, 20201195105]

約数ペア:

[(1, 20201195105), (5, 4040239021), (7, 2885885015), (13, 1553938085), (19, 1063220795), (31, 651651455), (35, 577177003), (43, 469795235), (65, 310787617), (91, 221991155), (95, 212644159), (133, 151888685), (155, 130330291), (215, 93959047), (217, 93093065), (247, 81786215), (301, 67113605), (403, 50127035), (455, 44398231), (559, 36138095), (589, 34297445), (665, 30377737), (817, 24726065), (1085, 18618613), (1235, 16357243), (1333, 15154685), (1505, 13422721), (1729, 11683745), (1753, 11523785), (2015, 10025407), (2795, 7227619), (2821, 7161005), (2945, 6859489), (3913, 5162585), (4085, 4945213), (4123, 4899635), (5719, 3532295), (6665, 3030937), (7657, 2638265), (8645, 2336749), (8765, 2304757), (9331, 2164955), (10621, 1902005), (12271, 1646255), (14105, 1432201), (17329, 1165745), (19565, 1032517), (20615, 979927), (22789, 886445), (25327, 797615), (28595, 706459), (33307, 606515), (38285, 527653), (46655, 432991), (53105, 380401), (53599, 376895), (54343, 371735), (61355, 329251), (74347, 271715), (75379, 267995), (86645, 233149), (113945, 177289), (121303, 166535), (126635, 159523)]