20194302232

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{40819}}^1$

素因数の和:40976

約数の個数: 64

約数和(自身を含む): 41969491200

約数和(自身を除く): 21775188968

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 71, 104, 134, 142, 268, 284, 536, 568, 871, 923, 1742, 1846, 3484, 3692, 4757, 6968, 7384, 9514, 19028, 38056, 40819, 61841, 81638, 123682, 163276, 247364, 326552, 494728, 530647, 1061294, 2122588, 2734873, 2898149, 4245176, 5469746, 5796298, 10939492, 11592596, 21878984, 23185192, 35553349, 37675937, 71106698, 75351874, 142213396, 150703748, 194175983, 284426792, 301407496, 388351966, 776703932, 1553407864, 2524287779, 5048575558, 10097151116, 20194302232]

約数ペア:

[(1, 20194302232), (2, 10097151116), (4, 5048575558), (8, 2524287779), (13, 1553407864), (26, 776703932), (52, 388351966), (67, 301407496), (71, 284426792), (104, 194175983), (134, 150703748), (142, 142213396), (268, 75351874), (284, 71106698), (536, 37675937), (568, 35553349), (871, 23185192), (923, 21878984), (1742, 11592596), (1846, 10939492), (3484, 5796298), (3692, 5469746), (4757, 4245176), (6968, 2898149), (7384, 2734873), (9514, 2122588), (19028, 1061294), (38056, 530647), (40819, 494728), (61841, 326552), (81638, 247364), (123682, 163276)]