20121816

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1$

素因数の和:98

約数の個数: 144

約数和(自身を含む): 61334280

約数和(自身を除く): 41212464

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 41, 44, 52, 66, 78, 82, 88, 104, 121, 123, 132, 143, 156, 164, 169, 242, 246, 264, 286, 312, 328, 338, 363, 429, 451, 484, 492, 507, 533, 572, 676, 726, 858, 902, 968, 984, 1014, 1066, 1144, 1352, 1353, 1452, 1573, 1599, 1716, 1804, 1859, 2028, 2132, 2706, 2904, 3146, 3198, 3432, 3608, 3718, 4056, 4264, 4719, 4961, 5412, 5577, 5863, 6292, 6396, 6929, 7436, 9438, 9922, 10824, 11154, 11726, 12584, 12792, 13858, 14872, 14883, 17589, 18876, 19844, 20449, 20787, 22308, 23452, 27716, 29766, 35178, 37752, 39688, 40898, 41574, 44616, 46904, 55432, 59532, 61347, 64493, 70356, 76219, 81796, 83148, 119064, 122694, 128986, 140712, 152438, 163592, 166296, 193479, 228657, 245388, 257972, 304876, 386958, 457314, 490776, 515944, 609752, 773916, 838409, 914628, 1547832, 1676818, 1829256, 2515227, 3353636, 5030454, 6707272, 10060908, 20121816]

約数ペア:

[(1, 20121816), (2, 10060908), (3, 6707272), (4, 5030454), (6, 3353636), (8, 2515227), (11, 1829256), (12, 1676818), (13, 1547832), (22, 914628), (24, 838409), (26, 773916), (33, 609752), (39, 515944), (41, 490776), (44, 457314), (52, 386958), (66, 304876), (78, 257972), (82, 245388), (88, 228657), (104, 193479), (121, 166296), (123, 163592), (132, 152438), (143, 140712), (156, 128986), (164, 122694), (169, 119064), (242, 83148), (246, 81796), (264, 76219), (286, 70356), (312, 64493), (328, 61347), (338, 59532), (363, 55432), (429, 46904), (451, 44616), (484, 41574), (492, 40898), (507, 39688), (533, 37752), (572, 35178), (676, 29766), (726, 27716), (858, 23452), (902, 22308), (968, 20787), (984, 20449), (1014, 19844), (1066, 18876), (1144, 17589), (1352, 14883), (1353, 14872), (1452, 13858), (1573, 12792), (1599, 12584), (1716, 11726), (1804, 11154), (1859, 10824), (2028, 9922), (2132, 9438), (2706, 7436), (2904, 6929), (3146, 6396), (3198, 6292), (3432, 5863), (3608, 5577), (3718, 5412), (4056, 4961), (4264, 4719)]