20110860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1451}}^1$

素因数の和:1484

約数の個数: 144

約数和(自身を含む): 76108032

約数和(自身を除く): 55997172

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1451, 1540, 1980, 2310, 2772, 2902, 3465, 4353, 4620, 5804, 6930, 7255, 8706, 10157, 13059, 13860, 14510, 15961, 17412, 20314, 21765, 26118, 29020, 30471, 31922, 40628, 43530, 47883, 50785, 52236, 60942, 63844, 65295, 79805, 87060, 91413, 95766, 101570, 111727, 121884, 130590, 143649, 152355, 159610, 182826, 191532, 203140, 223454, 239415, 261180, 287298, 304710, 319220, 335181, 365652, 446908, 457065, 478830, 558635, 574596, 609420, 670362, 718245, 914130, 957660, 1005543, 1117270, 1340724, 1436490, 1675905, 1828260, 2011086, 2234540, 2872980, 3351810, 4022172, 5027715, 6703620, 10055430, 20110860]

約数ペア:

[(1, 20110860), (2, 10055430), (3, 6703620), (4, 5027715), (5, 4022172), (6, 3351810), (7, 2872980), (9, 2234540), (10, 2011086), (11, 1828260), (12, 1675905), (14, 1436490), (15, 1340724), (18, 1117270), (20, 1005543), (21, 957660), (22, 914130), (28, 718245), (30, 670362), (33, 609420), (35, 574596), (36, 558635), (42, 478830), (44, 457065), (45, 446908), (55, 365652), (60, 335181), (63, 319220), (66, 304710), (70, 287298), (77, 261180), (84, 239415), (90, 223454), (99, 203140), (105, 191532), (110, 182826), (126, 159610), (132, 152355), (140, 143649), (154, 130590), (165, 121884), (180, 111727), (198, 101570), (210, 95766), (220, 91413), (231, 87060), (252, 79805), (308, 65295), (315, 63844), (330, 60942), (385, 52236), (396, 50785), (420, 47883), (462, 43530), (495, 40628), (630, 31922), (660, 30471), (693, 29020), (770, 26118), (924, 21765), (990, 20314), (1155, 17412), (1260, 15961), (1386, 14510), (1451, 13860), (1540, 13059), (1980, 10157), (2310, 8706), (2772, 7255), (2902, 6930), (3465, 5804), (4353, 4620)]