20164996880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{8933}}^1$

素因数の和:9121

約数の個数: 160

約数和(自身を含む): 55833926400

約数和(自身を除く): 35668929520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 139, 140, 145, 203, 232, 278, 280, 290, 406, 464, 556, 560, 580, 695, 812, 973, 1015, 1112, 1160, 1390, 1624, 1946, 2030, 2224, 2320, 2780, 3248, 3892, 4031, 4060, 4865, 5560, 7784, 8062, 8120, 8933, 9730, 11120, 15568, 16124, 16240, 17866, 19460, 20155, 28217, 32248, 35732, 38920, 40310, 44665, 56434, 62531, 64496, 71464, 77840, 80620, 89330, 112868, 125062, 141085, 142928, 161240, 178660, 225736, 250124, 259057, 282170, 312655, 322480, 357320, 451472, 500248, 518114, 564340, 625310, 714640, 1000496, 1036228, 1128680, 1241687, 1250620, 1295285, 1813399, 2072456, 2257360, 2483374, 2501240, 2590570, 3626798, 4144912, 4966748, 5002480, 5181140, 6208435, 7253596, 8691809, 9066995, 9933496, 10362280, 12416870, 14507192, 17383618, 18133990, 19866992, 20724560, 24833740, 29014384, 34767236, 36008923, 36267980, 43459045, 49667480, 69534472, 72017846, 72535960, 86918090, 99334960, 139068944, 144035692, 145071920, 173836180, 180044615, 252062461, 288071384, 347672360, 360089230, 504124922, 576142768, 695344720, 720178460, 1008249844, 1260312305, 1440356920, 2016499688, 2520624610, 2880713840, 4032999376, 5041249220, 10082498440, 20164996880]

約数ペア:

[(1, 20164996880), (2, 10082498440), (4, 5041249220), (5, 4032999376), (7, 2880713840), (8, 2520624610), (10, 2016499688), (14, 1440356920), (16, 1260312305), (20, 1008249844), (28, 720178460), (29, 695344720), (35, 576142768), (40, 504124922), (56, 360089230), (58, 347672360), (70, 288071384), (80, 252062461), (112, 180044615), (116, 173836180), (139, 145071920), (140, 144035692), (145, 139068944), (203, 99334960), (232, 86918090), (278, 72535960), (280, 72017846), (290, 69534472), (406, 49667480), (464, 43459045), (556, 36267980), (560, 36008923), (580, 34767236), (695, 29014384), (812, 24833740), (973, 20724560), (1015, 19866992), (1112, 18133990), (1160, 17383618), (1390, 14507192), (1624, 12416870), (1946, 10362280), (2030, 9933496), (2224, 9066995), (2320, 8691809), (2780, 7253596), (3248, 6208435), (3892, 5181140), (4031, 5002480), (4060, 4966748), (4865, 4144912), (5560, 3626798), (7784, 2590570), (8062, 2501240), (8120, 2483374), (8933, 2257360), (9730, 2072456), (11120, 1813399), (15568, 1295285), (16124, 1250620), (16240, 1241687), (17866, 1128680), (19460, 1036228), (20155, 1000496), (28217, 714640), (32248, 625310), (35732, 564340), (38920, 518114), (40310, 500248), (44665, 451472), (56434, 357320), (62531, 322480), (64496, 312655), (71464, 282170), (77840, 259057), (80620, 250124), (89330, 225736), (112868, 178660), (125062, 161240), (141085, 142928)]