20042164016

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{617}}^1$

素因数の和:871

約数の個数: 160

約数和(自身を含む): 46953959040

約数和(自身を除く): 26911795024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 73, 112, 116, 137, 146, 203, 232, 274, 292, 406, 464, 511, 548, 584, 617, 812, 959, 1022, 1096, 1168, 1234, 1624, 1918, 2044, 2117, 2192, 2468, 3248, 3836, 3973, 4088, 4234, 4319, 4936, 7672, 7946, 8176, 8468, 8638, 9872, 10001, 14819, 15344, 15892, 16936, 17276, 17893, 20002, 27811, 29638, 31784, 33872, 34552, 35786, 40004, 45041, 55622, 59276, 63568, 69104, 70007, 71572, 80008, 84529, 90082, 111244, 118552, 125251, 140014, 143144, 160016, 169058, 180164, 222488, 237104, 250502, 280028, 286288, 290029, 315287, 338116, 360328, 444976, 501004, 560056, 580058, 591703, 630574, 676232, 720656, 1002008, 1120112, 1160116, 1183406, 1261148, 1306189, 1352464, 2004016, 2030203, 2320232, 2366812, 2451341, 2522296, 2612378, 4060406, 4640464, 4733624, 4902682, 5044592, 5224756, 6170617, 8120812, 9143323, 9467248, 9805364, 10449512, 12341234, 16241624, 17159387, 18286646, 19610728, 20899024, 24682468, 32483248, 34318774, 36573292, 39221456, 43194319, 49364936, 68637548, 73146584, 86388638, 98729872, 137275096, 146293168, 172777276, 178947893, 274550192, 345554552, 357895786, 691109104, 715791572, 1252635251, 1431583144, 2505270502, 2863166288, 5010541004, 10021082008, 20042164016]

約数ペア:

[(1, 20042164016), (2, 10021082008), (4, 5010541004), (7, 2863166288), (8, 2505270502), (14, 1431583144), (16, 1252635251), (28, 715791572), (29, 691109104), (56, 357895786), (58, 345554552), (73, 274550192), (112, 178947893), (116, 172777276), (137, 146293168), (146, 137275096), (203, 98729872), (232, 86388638), (274, 73146584), (292, 68637548), (406, 49364936), (464, 43194319), (511, 39221456), (548, 36573292), (584, 34318774), (617, 32483248), (812, 24682468), (959, 20899024), (1022, 19610728), (1096, 18286646), (1168, 17159387), (1234, 16241624), (1624, 12341234), (1918, 10449512), (2044, 9805364), (2117, 9467248), (2192, 9143323), (2468, 8120812), (3248, 6170617), (3836, 5224756), (3973, 5044592), (4088, 4902682), (4234, 4733624), (4319, 4640464), (4936, 4060406), (7672, 2612378), (7946, 2522296), (8176, 2451341), (8468, 2366812), (8638, 2320232), (9872, 2030203), (10001, 2004016), (14819, 1352464), (15344, 1306189), (15892, 1261148), (16936, 1183406), (17276, 1160116), (17893, 1120112), (20002, 1002008), (27811, 720656), (29638, 676232), (31784, 630574), (33872, 591703), (34552, 580058), (35786, 560056), (40004, 501004), (45041, 444976), (55622, 360328), (59276, 338116), (63568, 315287), (69104, 290029), (70007, 286288), (71572, 280028), (80008, 250502), (84529, 237104), (90082, 222488), (111244, 180164), (118552, 169058), (125251, 160016), (140014, 143144)]