20170390870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{19819}}^1$

素因数の和:19938

約数の個数: 96

約数和(自身を含む): 44249656320

約数和(自身を除く): 24079265450

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 67, 70, 98, 134, 155, 217, 245, 310, 335, 434, 469, 490, 670, 938, 1085, 1519, 2077, 2170, 2345, 3038, 3283, 4154, 4690, 6566, 7595, 10385, 14539, 15190, 16415, 19819, 20770, 29078, 32830, 39638, 72695, 99095, 101773, 138733, 145390, 198190, 203546, 277466, 508865, 614389, 693665, 971131, 1017730, 1228778, 1327873, 1387330, 1942262, 2655746, 3071945, 4300723, 4855655, 6143890, 6639365, 8601446, 9295111, 9711310, 13278730, 18590222, 21503615, 30105061, 41164063, 43007230, 46475555, 60210122, 65065777, 82328126, 92951110, 130131554, 150525305, 205820315, 288148441, 301050610, 325328885, 411640630, 576296882, 650657770, 1440742205, 2017039087, 2881484410, 4034078174, 10085195435, 20170390870]

約数ペア:

[(1, 20170390870), (2, 10085195435), (5, 4034078174), (7, 2881484410), (10, 2017039087), (14, 1440742205), (31, 650657770), (35, 576296882), (49, 411640630), (62, 325328885), (67, 301050610), (70, 288148441), (98, 205820315), (134, 150525305), (155, 130131554), (217, 92951110), (245, 82328126), (310, 65065777), (335, 60210122), (434, 46475555), (469, 43007230), (490, 41164063), (670, 30105061), (938, 21503615), (1085, 18590222), (1519, 13278730), (2077, 9711310), (2170, 9295111), (2345, 8601446), (3038, 6639365), (3283, 6143890), (4154, 4855655), (4690, 4300723), (6566, 3071945), (7595, 2655746), (10385, 1942262), (14539, 1387330), (15190, 1327873), (16415, 1228778), (19819, 1017730), (20770, 971131), (29078, 693665), (32830, 614389), (39638, 508865), (72695, 277466), (99095, 203546), (101773, 198190), (138733, 145390)]