20168319780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{56963}}^1$

素因数の和:57266

約数の個数: 144

約数和(自身を含む): 70166888064

約数和(自身を除く): 49998568284

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 281, 315, 420, 562, 630, 843, 1124, 1260, 1405, 1686, 1967, 2529, 2810, 3372, 3934, 4215, 5058, 5620, 5901, 7868, 8430, 9835, 10116, 11802, 12645, 16860, 17703, 19670, 23604, 25290, 29505, 35406, 39340, 50580, 56963, 59010, 70812, 88515, 113926, 118020, 170889, 177030, 227852, 284815, 341778, 354060, 398741, 512667, 569630, 683556, 797482, 854445, 1025334, 1139260, 1196223, 1594964, 1708890, 1993705, 2050668, 2392446, 2563335, 3417780, 3588669, 3987410, 4784892, 5126670, 5981115, 7177338, 7974820, 10253340, 11962230, 14354676, 16006603, 17943345, 23924460, 32013206, 35886690, 48019809, 64026412, 71773380, 80033015, 96039618, 112046221, 144059427, 160066030, 192079236, 224092442, 240099045, 288118854, 320132060, 336138663, 448184884, 480198090, 560231105, 576237708, 672277326, 720297135, 960396180, 1008415989, 1120462210, 1344554652, 1440594270, 1680693315, 2016831978, 2240924420, 2881188540, 3361386630, 4033663956, 5042079945, 6722773260, 10084159890, 20168319780]

約数ペア:

[(1, 20168319780), (2, 10084159890), (3, 6722773260), (4, 5042079945), (5, 4033663956), (6, 3361386630), (7, 2881188540), (9, 2240924420), (10, 2016831978), (12, 1680693315), (14, 1440594270), (15, 1344554652), (18, 1120462210), (20, 1008415989), (21, 960396180), (28, 720297135), (30, 672277326), (35, 576237708), (36, 560231105), (42, 480198090), (45, 448184884), (60, 336138663), (63, 320132060), (70, 288118854), (84, 240099045), (90, 224092442), (105, 192079236), (126, 160066030), (140, 144059427), (180, 112046221), (210, 96039618), (252, 80033015), (281, 71773380), (315, 64026412), (420, 48019809), (562, 35886690), (630, 32013206), (843, 23924460), (1124, 17943345), (1260, 16006603), (1405, 14354676), (1686, 11962230), (1967, 10253340), (2529, 7974820), (2810, 7177338), (3372, 5981115), (3934, 5126670), (4215, 4784892), (5058, 3987410), (5620, 3588669), (5901, 3417780), (7868, 2563335), (8430, 2392446), (9835, 2050668), (10116, 1993705), (11802, 1708890), (12645, 1594964), (16860, 1196223), (17703, 1139260), (19670, 1025334), (23604, 854445), (25290, 797482), (29505, 683556), (35406, 569630), (39340, 512667), (50580, 398741), (56963, 354060), (59010, 341778), (70812, 284815), (88515, 227852), (113926, 177030), (118020, 170889)]