20244510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{13}}^2$

素因数の和:72

約数の個数: 144

約数和(自身を含む): 62691408

約数和(自身を除く): 42446898

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 26, 30, 33, 39, 45, 55, 65, 66, 78, 90, 99, 110, 117, 121, 130, 143, 165, 169, 195, 198, 234, 242, 286, 330, 338, 363, 390, 429, 495, 507, 585, 605, 715, 726, 845, 858, 990, 1014, 1089, 1170, 1210, 1287, 1331, 1430, 1521, 1573, 1690, 1815, 1859, 2145, 2178, 2535, 2574, 2662, 3042, 3146, 3630, 3718, 3993, 4290, 4719, 5070, 5445, 5577, 6435, 6655, 7605, 7865, 7986, 9295, 9438, 10890, 11154, 11979, 12870, 13310, 14157, 15210, 15730, 16731, 17303, 18590, 19965, 20449, 23595, 23958, 27885, 28314, 33462, 34606, 39930, 40898, 47190, 51909, 55770, 59895, 61347, 70785, 83655, 86515, 102245, 103818, 119790, 122694, 141570, 155727, 167310, 173030, 184041, 204490, 224939, 259545, 306735, 311454, 368082, 449878, 519090, 613470, 674817, 778635, 920205, 1124695, 1349634, 1557270, 1840410, 2024451, 2249390, 3374085, 4048902, 6748170, 10122255, 20244510]

約数ペア:

[(1, 20244510), (2, 10122255), (3, 6748170), (5, 4048902), (6, 3374085), (9, 2249390), (10, 2024451), (11, 1840410), (13, 1557270), (15, 1349634), (18, 1124695), (22, 920205), (26, 778635), (30, 674817), (33, 613470), (39, 519090), (45, 449878), (55, 368082), (65, 311454), (66, 306735), (78, 259545), (90, 224939), (99, 204490), (110, 184041), (117, 173030), (121, 167310), (130, 155727), (143, 141570), (165, 122694), (169, 119790), (195, 103818), (198, 102245), (234, 86515), (242, 83655), (286, 70785), (330, 61347), (338, 59895), (363, 55770), (390, 51909), (429, 47190), (495, 40898), (507, 39930), (585, 34606), (605, 33462), (715, 28314), (726, 27885), (845, 23958), (858, 23595), (990, 20449), (1014, 19965), (1089, 18590), (1170, 17303), (1210, 16731), (1287, 15730), (1331, 15210), (1430, 14157), (1521, 13310), (1573, 12870), (1690, 11979), (1815, 11154), (1859, 10890), (2145, 9438), (2178, 9295), (2535, 7986), (2574, 7865), (2662, 7605), (3042, 6655), (3146, 6435), (3630, 5577), (3718, 5445), (3993, 5070), (4290, 4719)]