20073130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 25546070

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 131, 154, 199, 262, 385, 398, 655, 770, 917, 995, 1310, 1393, 1441, 1834, 1990, 2189, 2786, 2882, 4378, 4585, 6965, 7205, 9170, 10087, 10945, 13930, 14410, 15323, 20174, 21890, 26069, 30646, 50435, 52138, 76615, 100870, 130345, 153230, 182483, 260690, 286759, 364966, 573518, 912415, 1433795, 1824830, 2007313, 2867590, 4014626, 10036565, 20073130]

約数ペア:

[(1, 20073130), (2, 10036565), (5, 4014626), (7, 2867590), (10, 2007313), (11, 1824830), (14, 1433795), (22, 912415), (35, 573518), (55, 364966), (70, 286759), (77, 260690), (110, 182483), (131, 153230), (154, 130345), (199, 100870), (262, 76615), (385, 52138), (398, 50435), (655, 30646), (770, 26069), (917, 21890), (995, 20174), (1310, 15323), (1393, 14410), (1441, 13930), (1834, 10945), (1990, 10087), (2189, 9170), (2786, 7205), (2882, 6965), (4378, 4585)]