20719802608

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{11447}}^1$

素因数の和:11614

約数の個数: 80

約数和(自身を含む): 42927252480

約数和(自身を除く): 22207449872

約数列:

[1, 2, 4, 8, 16, 29, 47, 58, 83, 94, 116, 166, 188, 232, 332, 376, 464, 664, 752, 1328, 1363, 2407, 2726, 3901, 4814, 5452, 7802, 9628, 10904, 11447, 15604, 19256, 21808, 22894, 31208, 38512, 45788, 62416, 91576, 113129, 183152, 226258, 331963, 452516, 538009, 663926, 905032, 950101, 1076018, 1327852, 1810064, 1900202, 2152036, 2655704, 3800404, 4304072, 5311408, 7600808, 8608144, 15201616, 15602261, 27552929, 31204522, 44654747, 55105858, 62409044, 89309494, 110211716, 124818088, 178618988, 220423432, 249636176, 357237976, 440846864, 714475952, 1294987663, 2589975326, 5179950652, 10359901304, 20719802608]

約数ペア:

[(1, 20719802608), (2, 10359901304), (4, 5179950652), (8, 2589975326), (16, 1294987663), (29, 714475952), (47, 440846864), (58, 357237976), (83, 249636176), (94, 220423432), (116, 178618988), (166, 124818088), (188, 110211716), (232, 89309494), (332, 62409044), (376, 55105858), (464, 44654747), (664, 31204522), (752, 27552929), (1328, 15602261), (1363, 15201616), (2407, 8608144), (2726, 7600808), (3901, 5311408), (4814, 4304072), (5452, 3800404), (7802, 2655704), (9628, 2152036), (10904, 1900202), (11447, 1810064), (15604, 1327852), (19256, 1076018), (21808, 950101), (22894, 905032), (31208, 663926), (38512, 538009), (45788, 452516), (62416, 331963), (91576, 226258), (113129, 183152)]