20398049284

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{929}}^1$

素因数の和:1213

約数の個数: 96

約数和(自身を含む): 40159929600

約数和(自身を除く): 19761880316

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 101, 139, 202, 278, 391, 404, 556, 782, 929, 1564, 1717, 1858, 2323, 2363, 3197, 3434, 3716, 4646, 4726, 6394, 6868, 9292, 9452, 12788, 14039, 15793, 21367, 28078, 31586, 39491, 42734, 54349, 56156, 63172, 78982, 85468, 93829, 108698, 129131, 157964, 187658, 217396, 238663, 258262, 322897, 363239, 375316, 477326, 516524, 645794, 726478, 954652, 1291588, 1452956, 1595093, 2158067, 2195227, 2970013, 3190186, 4316134, 4390454, 5489249, 5940026, 6380372, 8632268, 8780908, 10978498, 11880052, 13042231, 21956996, 26084462, 36687139, 50490221, 52168924, 73374278, 100980442, 146748556, 201960884, 221717927, 299971313, 443435854, 599942626, 886871708, 1199885252, 5099512321, 10199024642, 20398049284]

約数ペア:

[(1, 20398049284), (2, 10199024642), (4, 5099512321), (17, 1199885252), (23, 886871708), (34, 599942626), (46, 443435854), (68, 299971313), (92, 221717927), (101, 201960884), (139, 146748556), (202, 100980442), (278, 73374278), (391, 52168924), (404, 50490221), (556, 36687139), (782, 26084462), (929, 21956996), (1564, 13042231), (1717, 11880052), (1858, 10978498), (2323, 8780908), (2363, 8632268), (3197, 6380372), (3434, 5940026), (3716, 5489249), (4646, 4390454), (4726, 4316134), (6394, 3190186), (6868, 2970013), (9292, 2195227), (9452, 2158067), (12788, 1595093), (14039, 1452956), (15793, 1291588), (21367, 954652), (28078, 726478), (31586, 645794), (39491, 516524), (42734, 477326), (54349, 375316), (56156, 363239), (63172, 322897), (78982, 258262), (85468, 238663), (93829, 217396), (108698, 187658), (129131, 157964)]