20436210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:105

約数の個数: 144

約数和(自身を含む): 60981336

約数和(自身を除く): 40545126

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 19, 30, 34, 37, 38, 45, 51, 57, 74, 85, 90, 95, 102, 111, 114, 153, 170, 171, 185, 190, 222, 255, 285, 306, 323, 333, 342, 361, 370, 510, 555, 570, 629, 646, 666, 703, 722, 765, 855, 969, 1083, 1110, 1258, 1406, 1530, 1615, 1665, 1710, 1805, 1887, 1938, 2109, 2166, 2907, 3145, 3230, 3249, 3330, 3515, 3610, 3774, 4218, 4845, 5415, 5661, 5814, 6137, 6290, 6327, 6498, 7030, 9435, 9690, 10545, 10830, 11322, 11951, 12274, 12654, 13357, 14535, 16245, 18411, 18870, 21090, 23902, 26714, 28305, 29070, 30685, 31635, 32490, 35853, 36822, 40071, 55233, 56610, 59755, 61370, 63270, 66785, 71706, 80142, 92055, 107559, 110466, 119510, 120213, 133570, 179265, 184110, 200355, 215118, 227069, 240426, 276165, 358530, 400710, 454138, 537795, 552330, 601065, 681207, 1075590, 1135345, 1202130, 1362414, 2043621, 2270690, 3406035, 4087242, 6812070, 10218105, 20436210]

約数ペア:

[(1, 20436210), (2, 10218105), (3, 6812070), (5, 4087242), (6, 3406035), (9, 2270690), (10, 2043621), (15, 1362414), (17, 1202130), (18, 1135345), (19, 1075590), (30, 681207), (34, 601065), (37, 552330), (38, 537795), (45, 454138), (51, 400710), (57, 358530), (74, 276165), (85, 240426), (90, 227069), (95, 215118), (102, 200355), (111, 184110), (114, 179265), (153, 133570), (170, 120213), (171, 119510), (185, 110466), (190, 107559), (222, 92055), (255, 80142), (285, 71706), (306, 66785), (323, 63270), (333, 61370), (342, 59755), (361, 56610), (370, 55233), (510, 40071), (555, 36822), (570, 35853), (629, 32490), (646, 31635), (666, 30685), (703, 29070), (722, 28305), (765, 26714), (855, 23902), (969, 21090), (1083, 18870), (1110, 18411), (1258, 16245), (1406, 14535), (1530, 13357), (1615, 12654), (1665, 12274), (1710, 11951), (1805, 11322), (1887, 10830), (1938, 10545), (2109, 9690), (2166, 9435), (2907, 7030), (3145, 6498), (3230, 6327), (3249, 6290), (3330, 6137), (3515, 5814), (3610, 5661), (3774, 5415), (4218, 4845)]