20512281630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{8923}}^1$

素因数の和:9098

約数の個数: 128

約数和(自身を含む): 53715340800

約数和(自身を除く): 33203059170

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 37, 38, 57, 74, 95, 109, 111, 114, 185, 190, 218, 222, 285, 327, 370, 545, 555, 570, 654, 703, 1090, 1110, 1406, 1635, 2071, 2109, 3270, 3515, 4033, 4142, 4218, 6213, 7030, 8066, 8923, 10355, 10545, 12099, 12426, 17846, 20165, 20710, 21090, 24198, 26769, 31065, 40330, 44615, 53538, 60495, 62130, 76627, 89230, 120990, 133845, 153254, 169537, 229881, 267690, 330151, 339074, 383135, 459762, 508611, 660302, 766270, 847685, 972607, 990453, 1017222, 1149405, 1650755, 1695370, 1945214, 1980906, 2298810, 2543055, 2917821, 3301510, 4863035, 4952265, 5086110, 5835642, 6272869, 9726070, 9904530, 12545738, 14589105, 18479533, 18818607, 29178210, 31364345, 35986459, 36959066, 37637214, 55438599, 62728690, 71972918, 92397665, 94093035, 107959377, 110877198, 179932295, 184795330, 188186070, 215918754, 277192995, 359864590, 539796885, 554385990, 683742721, 1079593770, 1367485442, 2051228163, 3418713605, 4102456326, 6837427210, 10256140815, 20512281630]

約数ペア:

[(1, 20512281630), (2, 10256140815), (3, 6837427210), (5, 4102456326), (6, 3418713605), (10, 2051228163), (15, 1367485442), (19, 1079593770), (30, 683742721), (37, 554385990), (38, 539796885), (57, 359864590), (74, 277192995), (95, 215918754), (109, 188186070), (111, 184795330), (114, 179932295), (185, 110877198), (190, 107959377), (218, 94093035), (222, 92397665), (285, 71972918), (327, 62728690), (370, 55438599), (545, 37637214), (555, 36959066), (570, 35986459), (654, 31364345), (703, 29178210), (1090, 18818607), (1110, 18479533), (1406, 14589105), (1635, 12545738), (2071, 9904530), (2109, 9726070), (3270, 6272869), (3515, 5835642), (4033, 5086110), (4142, 4952265), (4218, 4863035), (6213, 3301510), (7030, 2917821), (8066, 2543055), (8923, 2298810), (10355, 1980906), (10545, 1945214), (12099, 1695370), (12426, 1650755), (17846, 1149405), (20165, 1017222), (20710, 990453), (21090, 972607), (24198, 847685), (26769, 766270), (31065, 660302), (40330, 508611), (44615, 459762), (53538, 383135), (60495, 339074), (62130, 330151), (76627, 267690), (89230, 229881), (120990, 169537), (133845, 153254)]