20178504570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{347}}^1\times {\mathrm{4133}}^1$

素因数の和:4564

約数の個数: 128

約数和(自身を含む): 56348338176

約数和(自身を除く): 36169833606

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 67, 70, 105, 134, 201, 210, 335, 347, 402, 469, 670, 694, 938, 1005, 1041, 1407, 1735, 2010, 2082, 2345, 2429, 2814, 3470, 4133, 4690, 4858, 5205, 7035, 7287, 8266, 10410, 12145, 12399, 14070, 14574, 20665, 23249, 24290, 24798, 28931, 36435, 41330, 46498, 57862, 61995, 69747, 72870, 86793, 116245, 123990, 139494, 144655, 162743, 173586, 232490, 276911, 289310, 325486, 348735, 433965, 488229, 553822, 697470, 813715, 830733, 867930, 976458, 1384555, 1434151, 1627430, 1661466, 1938377, 2441145, 2769110, 2868302, 3876754, 4153665, 4302453, 4882290, 5815131, 7170755, 8307330, 8604906, 9691885, 10039057, 11630262, 14341510, 19383770, 20078114, 21512265, 29075655, 30117171, 43024530, 50195285, 58151310, 60234342, 96088117, 100390570, 150585855, 192176234, 288264351, 301171710, 480440585, 576528702, 672616819, 960881170, 1345233638, 1441321755, 2017850457, 2882643510, 3363084095, 4035700914, 6726168190, 10089252285, 20178504570]

約数ペア:

[(1, 20178504570), (2, 10089252285), (3, 6726168190), (5, 4035700914), (6, 3363084095), (7, 2882643510), (10, 2017850457), (14, 1441321755), (15, 1345233638), (21, 960881170), (30, 672616819), (35, 576528702), (42, 480440585), (67, 301171710), (70, 288264351), (105, 192176234), (134, 150585855), (201, 100390570), (210, 96088117), (335, 60234342), (347, 58151310), (402, 50195285), (469, 43024530), (670, 30117171), (694, 29075655), (938, 21512265), (1005, 20078114), (1041, 19383770), (1407, 14341510), (1735, 11630262), (2010, 10039057), (2082, 9691885), (2345, 8604906), (2429, 8307330), (2814, 7170755), (3470, 5815131), (4133, 4882290), (4690, 4302453), (4858, 4153665), (5205, 3876754), (7035, 2868302), (7287, 2769110), (8266, 2441145), (10410, 1938377), (12145, 1661466), (12399, 1627430), (14070, 1434151), (14574, 1384555), (20665, 976458), (23249, 867930), (24290, 830733), (24798, 813715), (28931, 697470), (36435, 553822), (41330, 488229), (46498, 433965), (57862, 348735), (61995, 325486), (69747, 289310), (72870, 276911), (86793, 232490), (116245, 173586), (123990, 162743), (139494, 144655)]