20753700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:378

約数の個数: 144

約数和(自身を含む): 69162240

約数和(自身を除く): 48408540

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 25, 30, 33, 38, 44, 50, 55, 57, 60, 66, 75, 76, 95, 100, 110, 114, 132, 150, 165, 190, 209, 220, 228, 275, 285, 300, 330, 331, 380, 418, 475, 550, 570, 627, 660, 662, 825, 836, 950, 993, 1045, 1100, 1140, 1254, 1324, 1425, 1650, 1655, 1900, 1986, 2090, 2508, 2850, 3135, 3300, 3310, 3641, 3972, 4180, 4965, 5225, 5700, 6270, 6289, 6620, 7282, 8275, 9930, 10450, 10923, 12540, 12578, 14564, 15675, 16550, 18205, 18867, 19860, 20900, 21846, 24825, 25156, 31350, 31445, 33100, 36410, 37734, 43692, 49650, 54615, 62700, 62890, 69179, 72820, 75468, 91025, 94335, 99300, 109230, 125780, 138358, 157225, 182050, 188670, 207537, 218460, 273075, 276716, 314450, 345895, 364100, 377340, 415074, 471675, 546150, 628900, 691790, 830148, 943350, 1037685, 1092300, 1383580, 1729475, 1886700, 2075370, 3458950, 4150740, 5188425, 6917900, 10376850, 20753700]

約数ペア:

[(1, 20753700), (2, 10376850), (3, 6917900), (4, 5188425), (5, 4150740), (6, 3458950), (10, 2075370), (11, 1886700), (12, 1729475), (15, 1383580), (19, 1092300), (20, 1037685), (22, 943350), (25, 830148), (30, 691790), (33, 628900), (38, 546150), (44, 471675), (50, 415074), (55, 377340), (57, 364100), (60, 345895), (66, 314450), (75, 276716), (76, 273075), (95, 218460), (100, 207537), (110, 188670), (114, 182050), (132, 157225), (150, 138358), (165, 125780), (190, 109230), (209, 99300), (220, 94335), (228, 91025), (275, 75468), (285, 72820), (300, 69179), (330, 62890), (331, 62700), (380, 54615), (418, 49650), (475, 43692), (550, 37734), (570, 36410), (627, 33100), (660, 31445), (662, 31350), (825, 25156), (836, 24825), (950, 21846), (993, 20900), (1045, 19860), (1100, 18867), (1140, 18205), (1254, 16550), (1324, 15675), (1425, 14564), (1650, 12578), (1655, 12540), (1900, 10923), (1986, 10450), (2090, 9930), (2508, 8275), (2850, 7282), (3135, 6620), (3300, 6289), (3310, 6270), (3641, 5700), (3972, 5225), (4180, 4965)]