20147950480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{4637}}^1\times {\mathrm{7759}}^1$

素因数の和:12416

約数の個数: 80

約数和(自身を含む): 53554429440

約数和(自身を除く): 33406478960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 4637, 7759, 9274, 15518, 18548, 23185, 31036, 32459, 37096, 38795, 46370, 54313, 62072, 64918, 74192, 77590, 92740, 108626, 124144, 129836, 155180, 162295, 185480, 217252, 259672, 271565, 310360, 324590, 370960, 434504, 519344, 543130, 620720, 649180, 869008, 1086260, 1298360, 2172520, 2596720, 4345040, 35978483, 71956966, 143913932, 179892415, 251849381, 287827864, 359784830, 503698762, 575655728, 719569660, 1007397524, 1259246905, 1439139320, 2014795048, 2518493810, 2878278640, 4029590096, 5036987620, 10073975240, 20147950480]

約数ペア:

[(1, 20147950480), (2, 10073975240), (4, 5036987620), (5, 4029590096), (7, 2878278640), (8, 2518493810), (10, 2014795048), (14, 1439139320), (16, 1259246905), (20, 1007397524), (28, 719569660), (35, 575655728), (40, 503698762), (56, 359784830), (70, 287827864), (80, 251849381), (112, 179892415), (140, 143913932), (280, 71956966), (560, 35978483), (4637, 4345040), (7759, 2596720), (9274, 2172520), (15518, 1298360), (18548, 1086260), (23185, 869008), (31036, 649180), (32459, 620720), (37096, 543130), (38795, 519344), (46370, 434504), (54313, 370960), (62072, 324590), (64918, 310360), (74192, 271565), (77590, 259672), (92740, 217252), (108626, 185480), (124144, 162295), (129836, 155180)]