20161095885

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{4817}}^1$

素因数の和:4984

約数の個数: 128

約数和(自身を含む): 42330562560

約数和(自身を除く): 22169466675

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 43, 45, 63, 103, 105, 129, 135, 189, 215, 301, 309, 315, 387, 515, 645, 721, 903, 927, 945, 1161, 1505, 1545, 1935, 2163, 2709, 2781, 3605, 4429, 4515, 4635, 4817, 5805, 6489, 8127, 10815, 13287, 13545, 13905, 14451, 19467, 22145, 24085, 31003, 32445, 33719, 39861, 40635, 43353, 66435, 72255, 93009, 97335, 101157, 119583, 130059, 155015, 168595, 199305, 207131, 216765, 279027, 303471, 465045, 496151, 505785, 597915, 621393, 650295, 837081, 910413, 1035655, 1395135, 1449917, 1488453, 1517355, 1864179, 2480755, 3106965, 3473057, 4185405, 4349751, 4465359, 4552065, 5592537, 7249585, 7442265, 9320895, 10419171, 13049253, 13396077, 17365285, 21334493, 21748755, 22326795, 27962685, 31257513, 39147759, 52095855, 64003479, 65246265, 66980385, 93772539, 106672465, 149341451, 156287565, 192010437, 195738795, 320017395, 448024353, 468862695, 576031311, 746707255, 960052185, 1344073059, 2240121765, 2880156555, 4032219177, 6720365295, 20161095885]

約数ペア:

[(1, 20161095885), (3, 6720365295), (5, 4032219177), (7, 2880156555), (9, 2240121765), (15, 1344073059), (21, 960052185), (27, 746707255), (35, 576031311), (43, 468862695), (45, 448024353), (63, 320017395), (103, 195738795), (105, 192010437), (129, 156287565), (135, 149341451), (189, 106672465), (215, 93772539), (301, 66980385), (309, 65246265), (315, 64003479), (387, 52095855), (515, 39147759), (645, 31257513), (721, 27962685), (903, 22326795), (927, 21748755), (945, 21334493), (1161, 17365285), (1505, 13396077), (1545, 13049253), (1935, 10419171), (2163, 9320895), (2709, 7442265), (2781, 7249585), (3605, 5592537), (4429, 4552065), (4515, 4465359), (4635, 4349751), (4817, 4185405), (5805, 3473057), (6489, 3106965), (8127, 2480755), (10815, 1864179), (13287, 1517355), (13545, 1488453), (13905, 1449917), (14451, 1395135), (19467, 1035655), (22145, 910413), (24085, 837081), (31003, 650295), (32445, 621393), (33719, 597915), (39861, 505785), (40635, 496151), (43353, 465045), (66435, 303471), (72255, 279027), (93009, 216765), (97335, 207131), (101157, 199305), (119583, 168595), (130059, 155015)]