20119860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:127

約数の個数: 192

約数和(自身を含む): 68947200

約数和(自身を除く): 48827340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 37, 38, 45, 53, 54, 57, 60, 74, 76, 90, 95, 106, 108, 111, 114, 135, 148, 159, 171, 180, 185, 190, 212, 222, 228, 265, 270, 285, 318, 333, 342, 370, 380, 444, 477, 513, 530, 540, 555, 570, 636, 666, 684, 703, 740, 795, 855, 954, 999, 1007, 1026, 1060, 1110, 1140, 1332, 1406, 1431, 1590, 1665, 1710, 1908, 1961, 1998, 2014, 2052, 2109, 2220, 2385, 2565, 2812, 2862, 3021, 3180, 3330, 3420, 3515, 3922, 3996, 4028, 4218, 4770, 4995, 5035, 5130, 5724, 5883, 6042, 6327, 6660, 7030, 7155, 7844, 8436, 9063, 9540, 9805, 9990, 10070, 10260, 10545, 11766, 12084, 12654, 14060, 14310, 15105, 17649, 18126, 18981, 19610, 19980, 20140, 21090, 23532, 25308, 27189, 28620, 29415, 30210, 31635, 35298, 36252, 37259, 37962, 39220, 42180, 45315, 52947, 54378, 58830, 60420, 63270, 70596, 74518, 75924, 88245, 90630, 94905, 105894, 108756, 111777, 117660, 126540, 135945, 149036, 176490, 181260, 186295, 189810, 211788, 223554, 264735, 271890, 335331, 352980, 372590, 379620, 447108, 529470, 543780, 558885, 670662, 745180, 1005993, 1058940, 1117770, 1341324, 1676655, 2011986, 2235540, 3353310, 4023972, 5029965, 6706620, 10059930, 20119860]

約数ペア:

[(1, 20119860), (2, 10059930), (3, 6706620), (4, 5029965), (5, 4023972), (6, 3353310), (9, 2235540), (10, 2011986), (12, 1676655), (15, 1341324), (18, 1117770), (19, 1058940), (20, 1005993), (27, 745180), (30, 670662), (36, 558885), (37, 543780), (38, 529470), (45, 447108), (53, 379620), (54, 372590), (57, 352980), (60, 335331), (74, 271890), (76, 264735), (90, 223554), (95, 211788), (106, 189810), (108, 186295), (111, 181260), (114, 176490), (135, 149036), (148, 135945), (159, 126540), (171, 117660), (180, 111777), (185, 108756), (190, 105894), (212, 94905), (222, 90630), (228, 88245), (265, 75924), (270, 74518), (285, 70596), (318, 63270), (333, 60420), (342, 58830), (370, 54378), (380, 52947), (444, 45315), (477, 42180), (513, 39220), (530, 37962), (540, 37259), (555, 36252), (570, 35298), (636, 31635), (666, 30210), (684, 29415), (703, 28620), (740, 27189), (795, 25308), (855, 23532), (954, 21090), (999, 20140), (1007, 19980), (1026, 19610), (1060, 18981), (1110, 18126), (1140, 17649), (1332, 15105), (1406, 14310), (1431, 14060), (1590, 12654), (1665, 12084), (1710, 11766), (1908, 10545), (1961, 10260), (1998, 10070), (2014, 9990), (2052, 9805), (2109, 9540), (2220, 9063), (2385, 8436), (2565, 7844), (2812, 7155), (2862, 7030), (3021, 6660), (3180, 6327), (3330, 6042), (3420, 5883), (3515, 5724), (3922, 5130), (3996, 5035), (4028, 4995), (4218, 4770)]