20151689940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{203183}}^1$

素因数の和:203246

約数の個数: 144

約数和(自身を含む): 66563078400

約数和(自身を除く): 46411388460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 29, 30, 36, 38, 45, 57, 58, 60, 76, 87, 90, 95, 114, 116, 145, 171, 174, 180, 190, 228, 261, 285, 290, 342, 348, 380, 435, 522, 551, 570, 580, 684, 855, 870, 1044, 1102, 1140, 1305, 1653, 1710, 1740, 2204, 2610, 2755, 3306, 3420, 4959, 5220, 5510, 6612, 8265, 9918, 11020, 16530, 19836, 24795, 33060, 49590, 99180, 203183, 406366, 609549, 812732, 1015915, 1219098, 1828647, 2031830, 2438196, 3047745, 3657294, 3860477, 4063660, 5892307, 6095490, 7314588, 7720954, 9143235, 11581431, 11784614, 12190980, 15441908, 17676921, 18286470, 19302385, 23162862, 23569228, 29461535, 34744293, 35353842, 36572940, 38604770, 46325724, 53030763, 57907155, 58923070, 69488586, 70707684, 77209540, 88384605, 106061526, 111953833, 115814310, 117846140, 138977172, 173721465, 176769210, 212123052, 223907666, 231628620, 265153815, 335861499, 347442930, 353538420, 447815332, 530307630, 559769165, 671722998, 694885860, 1007584497, 1060615260, 1119538330, 1343445996, 1679307495, 2015168994, 2239076660, 3358614990, 4030337988, 5037922485, 6717229980, 10075844970, 20151689940]

約数ペア:

[(1, 20151689940), (2, 10075844970), (3, 6717229980), (4, 5037922485), (5, 4030337988), (6, 3358614990), (9, 2239076660), (10, 2015168994), (12, 1679307495), (15, 1343445996), (18, 1119538330), (19, 1060615260), (20, 1007584497), (29, 694885860), (30, 671722998), (36, 559769165), (38, 530307630), (45, 447815332), (57, 353538420), (58, 347442930), (60, 335861499), (76, 265153815), (87, 231628620), (90, 223907666), (95, 212123052), (114, 176769210), (116, 173721465), (145, 138977172), (171, 117846140), (174, 115814310), (180, 111953833), (190, 106061526), (228, 88384605), (261, 77209540), (285, 70707684), (290, 69488586), (342, 58923070), (348, 57907155), (380, 53030763), (435, 46325724), (522, 38604770), (551, 36572940), (570, 35353842), (580, 34744293), (684, 29461535), (855, 23569228), (870, 23162862), (1044, 19302385), (1102, 18286470), (1140, 17676921), (1305, 15441908), (1653, 12190980), (1710, 11784614), (1740, 11581431), (2204, 9143235), (2610, 7720954), (2755, 7314588), (3306, 6095490), (3420, 5892307), (4959, 4063660), (5220, 3860477), (5510, 3657294), (6612, 3047745), (8265, 2438196), (9918, 2031830), (11020, 1828647), (16530, 1219098), (19836, 1015915), (24795, 812732), (33060, 609549), (49590, 406366), (99180, 203183)]