20149271392

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{252979}}^1$

素因数の和:253139

約数の個数: 48

約数和(自身を含む): 42075633600

約数和(自身を除く): 21926362208

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 131, 152, 262, 304, 524, 608, 1048, 2096, 2489, 4192, 4978, 9956, 19912, 39824, 79648, 252979, 505958, 1011916, 2023832, 4047664, 4806601, 8095328, 9613202, 19226404, 33140249, 38452808, 66280498, 76905616, 132560996, 153811232, 265121992, 530243984, 629664731, 1060487968, 1259329462, 2518658924, 5037317848, 10074635696, 20149271392]

約数ペア:

[(1, 20149271392), (2, 10074635696), (4, 5037317848), (8, 2518658924), (16, 1259329462), (19, 1060487968), (32, 629664731), (38, 530243984), (76, 265121992), (131, 153811232), (152, 132560996), (262, 76905616), (304, 66280498), (524, 38452808), (608, 33140249), (1048, 19226404), (2096, 9613202), (2489, 8095328), (4192, 4806601), (4978, 4047664), (9956, 2023832), (19912, 1011916), (39824, 505958), (79648, 252979)]