20173300

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:230

約数の個数: 108

約数和(自身を含む): 53434080

約数和(自身を除く): 33260780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 49, 50, 70, 92, 98, 100, 115, 140, 161, 175, 179, 196, 230, 245, 322, 350, 358, 460, 490, 575, 644, 700, 716, 805, 895, 980, 1127, 1150, 1225, 1253, 1610, 1790, 2254, 2300, 2450, 2506, 3220, 3580, 4025, 4117, 4475, 4508, 4900, 5012, 5635, 6265, 8050, 8234, 8771, 8950, 11270, 12530, 16100, 16468, 17542, 17900, 20585, 22540, 25060, 28175, 28819, 31325, 35084, 41170, 43855, 56350, 57638, 62650, 82340, 87710, 102925, 112700, 115276, 125300, 144095, 175420, 201733, 205850, 219275, 288190, 403466, 411700, 438550, 576380, 720475, 806932, 877100, 1008665, 1440950, 2017330, 2881900, 4034660, 5043325, 10086650, 20173300]

約数ペア:

[(1, 20173300), (2, 10086650), (4, 5043325), (5, 4034660), (7, 2881900), (10, 2017330), (14, 1440950), (20, 1008665), (23, 877100), (25, 806932), (28, 720475), (35, 576380), (46, 438550), (49, 411700), (50, 403466), (70, 288190), (92, 219275), (98, 205850), (100, 201733), (115, 175420), (140, 144095), (161, 125300), (175, 115276), (179, 112700), (196, 102925), (230, 87710), (245, 82340), (322, 62650), (350, 57638), (358, 56350), (460, 43855), (490, 41170), (575, 35084), (644, 31325), (700, 28819), (716, 28175), (805, 25060), (895, 22540), (980, 20585), (1127, 17900), (1150, 17542), (1225, 16468), (1253, 16100), (1610, 12530), (1790, 11270), (2254, 8950), (2300, 8771), (2450, 8234), (2506, 8050), (3220, 6265), (3580, 5635), (4025, 5012), (4117, 4900), (4475, 4508)]