20210449532

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{617}}^1\times {\mathrm{89989}}^1$

素因数の和:90630

約数の個数: 48

約数和(自身を含む): 43601234880

約数和(自身を除く): 23390785348

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 617, 1234, 2468, 4319, 8021, 8638, 16042, 17276, 32084, 56147, 89989, 112294, 179978, 224588, 359956, 629923, 1169857, 1259846, 2339714, 2519692, 4679428, 8188999, 16377998, 32755996, 55523213, 111046426, 222092852, 388662491, 721801769, 777324982, 1443603538, 1554649964, 2887207076, 5052612383, 10105224766, 20210449532]

約数ペア:

[(1, 20210449532), (2, 10105224766), (4, 5052612383), (7, 2887207076), (13, 1554649964), (14, 1443603538), (26, 777324982), (28, 721801769), (52, 388662491), (91, 222092852), (182, 111046426), (364, 55523213), (617, 32755996), (1234, 16377998), (2468, 8188999), (4319, 4679428), (8021, 2519692), (8638, 2339714), (16042, 1259846), (17276, 1169857), (32084, 629923), (56147, 359956), (89989, 224588), (112294, 179978)]