20199892480

素因数分解:

$2^9\times 5^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{1277}}^1$

素因数の和:1504

約数の個数: 160

約数和(自身を含む): 50078419776

約数和(自身を除く): 29878527296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 167, 185, 256, 296, 320, 334, 370, 512, 592, 640, 668, 740, 835, 1184, 1277, 1280, 1336, 1480, 1670, 2368, 2554, 2560, 2672, 2960, 3340, 4736, 5108, 5344, 5920, 6179, 6385, 6680, 9472, 10216, 10688, 11840, 12358, 12770, 13360, 18944, 20432, 21376, 23680, 24716, 25540, 26720, 30895, 40864, 42752, 47249, 47360, 49432, 51080, 53440, 61790, 81728, 85504, 94498, 94720, 98864, 102160, 106880, 123580, 163456, 188996, 197728, 204320, 213259, 213760, 236245, 247160, 326912, 377992, 395456, 408640, 426518, 427520, 472490, 494320, 653824, 755984, 790912, 817280, 853036, 944980, 988640, 1066295, 1511968, 1581824, 1634560, 1706072, 1889960, 1977280, 2132590, 3023936, 3163648, 3269120, 3412144, 3779920, 3954560, 4265180, 6047872, 6824288, 7559840, 7890583, 7909120, 8530360, 12095744, 13648576, 15119680, 15781166, 15818240, 17060720, 24191488, 27297152, 30239360, 31562332, 34121440, 39452915, 54594304, 60478720, 63124664, 68242880, 78905830, 109188608, 120957440, 126249328, 136485760, 157811660, 252498656, 272971520, 315623320, 504997312, 545943040, 631246640, 1009994624, 1262493280, 2019989248, 2524986560, 4039978496, 5049973120, 10099946240, 20199892480]

約数ペア:

[(1, 20199892480), (2, 10099946240), (4, 5049973120), (5, 4039978496), (8, 2524986560), (10, 2019989248), (16, 1262493280), (20, 1009994624), (32, 631246640), (37, 545943040), (40, 504997312), (64, 315623320), (74, 272971520), (80, 252498656), (128, 157811660), (148, 136485760), (160, 126249328), (167, 120957440), (185, 109188608), (256, 78905830), (296, 68242880), (320, 63124664), (334, 60478720), (370, 54594304), (512, 39452915), (592, 34121440), (640, 31562332), (668, 30239360), (740, 27297152), (835, 24191488), (1184, 17060720), (1277, 15818240), (1280, 15781166), (1336, 15119680), (1480, 13648576), (1670, 12095744), (2368, 8530360), (2554, 7909120), (2560, 7890583), (2672, 7559840), (2960, 6824288), (3340, 6047872), (4736, 4265180), (5108, 3954560), (5344, 3779920), (5920, 3412144), (6179, 3269120), (6385, 3163648), (6680, 3023936), (9472, 2132590), (10216, 1977280), (10688, 1889960), (11840, 1706072), (12358, 1634560), (12770, 1581824), (13360, 1511968), (18944, 1066295), (20432, 988640), (21376, 944980), (23680, 853036), (24716, 817280), (25540, 790912), (26720, 755984), (30895, 653824), (40864, 494320), (42752, 472490), (47249, 427520), (47360, 426518), (49432, 408640), (51080, 395456), (53440, 377992), (61790, 326912), (81728, 247160), (85504, 236245), (94498, 213760), (94720, 213259), (98864, 204320), (102160, 197728), (106880, 188996), (123580, 163456)]