20151752642

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{70639}}^1$

素因数の和:70767

約数の個数: 48

約数和(自身を含む): 36528226560

約数和(自身を除く): 16376473918

約数列:

[1, 2, 7, 14, 41, 49, 71, 82, 98, 142, 287, 497, 574, 994, 2009, 2911, 3479, 4018, 5822, 6958, 20377, 40754, 70639, 141278, 142639, 285278, 494473, 988946, 2896199, 3461311, 5015369, 5792398, 6922622, 10030738, 20273393, 35107583, 40546786, 70215166, 141913751, 205630129, 245753081, 283827502, 411260258, 491506162, 1439410903, 2878821806, 10075876321, 20151752642]

約数ペア:

[(1, 20151752642), (2, 10075876321), (7, 2878821806), (14, 1439410903), (41, 491506162), (49, 411260258), (71, 283827502), (82, 245753081), (98, 205630129), (142, 141913751), (287, 70215166), (497, 40546786), (574, 35107583), (994, 20273393), (2009, 10030738), (2911, 6922622), (3479, 5792398), (4018, 5015369), (5822, 3461311), (6958, 2896199), (20377, 988946), (40754, 494473), (70639, 285278), (141278, 142639)]