20171447568

素因数分解:

$2^4\times 3^2\times {\mathrm{109}}^1\times {\mathrm{997}}^1\times {\mathrm{1289}}^1$

素因数の和:2409

約数の個数: 120

約数和(自身を含む): 57071328600

約数和(自身を除く): 36899881032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 109, 144, 218, 327, 436, 654, 872, 981, 997, 1289, 1308, 1744, 1962, 1994, 2578, 2616, 2991, 3867, 3924, 3988, 5156, 5232, 5982, 7734, 7848, 7976, 8973, 10312, 11601, 11964, 15468, 15696, 15952, 17946, 20624, 23202, 23928, 30936, 35892, 46404, 47856, 61872, 71784, 92808, 108673, 140501, 143568, 185616, 217346, 281002, 326019, 421503, 434692, 562004, 652038, 843006, 869384, 978057, 1124008, 1264509, 1285133, 1304076, 1686012, 1738768, 1956114, 2248016, 2529018, 2570266, 2608152, 3372024, 3855399, 3912228, 5058036, 5140532, 5216304, 6744048, 7710798, 7824456, 10116072, 10281064, 11566197, 15421596, 15648912, 20232144, 20562128, 23132394, 30843192, 46264788, 61686384, 92529576, 140079497, 185059152, 280158994, 420238491, 560317988, 840476982, 1120635976, 1260715473, 1680953964, 2241271952, 2521430946, 3361907928, 5042861892, 6723815856, 10085723784, 20171447568]

約数ペア:

[(1, 20171447568), (2, 10085723784), (3, 6723815856), (4, 5042861892), (6, 3361907928), (8, 2521430946), (9, 2241271952), (12, 1680953964), (16, 1260715473), (18, 1120635976), (24, 840476982), (36, 560317988), (48, 420238491), (72, 280158994), (109, 185059152), (144, 140079497), (218, 92529576), (327, 61686384), (436, 46264788), (654, 30843192), (872, 23132394), (981, 20562128), (997, 20232144), (1289, 15648912), (1308, 15421596), (1744, 11566197), (1962, 10281064), (1994, 10116072), (2578, 7824456), (2616, 7710798), (2991, 6744048), (3867, 5216304), (3924, 5140532), (3988, 5058036), (5156, 3912228), (5232, 3855399), (5982, 3372024), (7734, 2608152), (7848, 2570266), (7976, 2529018), (8973, 2248016), (10312, 1956114), (11601, 1738768), (11964, 1686012), (15468, 1304076), (15696, 1285133), (15952, 1264509), (17946, 1124008), (20624, 978057), (23202, 869384), (23928, 843006), (30936, 652038), (35892, 562004), (46404, 434692), (47856, 421503), (61872, 326019), (71784, 281002), (92808, 217346), (108673, 185616), (140501, 143568)]