202020008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 411264000

約数和(自身を除く): 209243992

約数列:

[1, 2, 4, 8, 19, 38, 67, 76, 83, 134, 152, 166, 239, 268, 332, 478, 536, 664, 956, 1273, 1577, 1912, 2546, 3154, 4541, 5092, 5561, 6308, 9082, 10184, 11122, 12616, 16013, 18164, 19837, 22244, 32026, 36328, 39674, 44488, 64052, 79348, 105659, 128104, 158696, 211318, 304247, 376903, 422636, 608494, 753806, 845272, 1216988, 1329079, 1507612, 2433976, 2658158, 3015224, 5316316, 10632632, 25252501, 50505002, 101010004, 202020008]

約数ペア:

[(1, 202020008), (2, 101010004), (4, 50505002), (8, 25252501), (19, 10632632), (38, 5316316), (67, 3015224), (76, 2658158), (83, 2433976), (134, 1507612), (152, 1329079), (166, 1216988), (239, 845272), (268, 753806), (332, 608494), (478, 422636), (536, 376903), (664, 304247), (956, 211318), (1273, 158696), (1577, 128104), (1912, 105659), (2546, 79348), (3154, 64052), (4541, 44488), (5092, 39674), (5561, 36328), (6308, 32026), (9082, 22244), (10184, 19837), (11122, 18164), (12616, 16013)]