20162989980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1447}}^1\times {\mathrm{11059}}^1$

素因数の和:12528

約数の個数: 144

約数和(自身を含む): 69952995840

約数和(自身を除く): 49790005860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1447, 2894, 4341, 5788, 7235, 8682, 10129, 11059, 13023, 14470, 17364, 20258, 21705, 22118, 26046, 28940, 30387, 33177, 40516, 43410, 44236, 50645, 52092, 55295, 60774, 65115, 66354, 77413, 86820, 91161, 99531, 101290, 110590, 121548, 130230, 132708, 151935, 154826, 165885, 182322, 199062, 202580, 221180, 232239, 260460, 303870, 309652, 331770, 364644, 387065, 398124, 455805, 464478, 497655, 607740, 663540, 696717, 774130, 911610, 928956, 995310, 1161195, 1393434, 1548260, 1823220, 1990620, 2322390, 2786868, 3483585, 4644780, 6967170, 13934340, 16002373, 32004746, 48007119, 64009492, 80011865, 96014238, 112016611, 144021357, 160023730, 192028476, 224033222, 240035595, 288042714, 320047460, 336049833, 448066444, 480071190, 560083055, 576085428, 672099666, 720106785, 960142380, 1008149499, 1120166110, 1344199332, 1440213570, 1680249165, 2016298998, 2240332220, 2880427140, 3360498330, 4032597996, 5040747495, 6720996660, 10081494990, 20162989980]

約数ペア:

[(1, 20162989980), (2, 10081494990), (3, 6720996660), (4, 5040747495), (5, 4032597996), (6, 3360498330), (7, 2880427140), (9, 2240332220), (10, 2016298998), (12, 1680249165), (14, 1440213570), (15, 1344199332), (18, 1120166110), (20, 1008149499), (21, 960142380), (28, 720106785), (30, 672099666), (35, 576085428), (36, 560083055), (42, 480071190), (45, 448066444), (60, 336049833), (63, 320047460), (70, 288042714), (84, 240035595), (90, 224033222), (105, 192028476), (126, 160023730), (140, 144021357), (180, 112016611), (210, 96014238), (252, 80011865), (315, 64009492), (420, 48007119), (630, 32004746), (1260, 16002373), (1447, 13934340), (2894, 6967170), (4341, 4644780), (5788, 3483585), (7235, 2786868), (8682, 2322390), (10129, 1990620), (11059, 1823220), (13023, 1548260), (14470, 1393434), (17364, 1161195), (20258, 995310), (21705, 928956), (22118, 911610), (26046, 774130), (28940, 696717), (30387, 663540), (33177, 607740), (40516, 497655), (43410, 464478), (44236, 455805), (50645, 398124), (52092, 387065), (55295, 364644), (60774, 331770), (65115, 309652), (66354, 303870), (77413, 260460), (86820, 232239), (91161, 221180), (99531, 202580), (101290, 199062), (110590, 182322), (121548, 165885), (130230, 154826), (132708, 151935)]