20343500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:132

約数の個数: 96

約数和(自身を含む): 48746880

約数和(自身を除く): 28403380

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 29, 46, 50, 58, 61, 92, 100, 115, 116, 122, 125, 145, 230, 244, 250, 290, 305, 460, 500, 575, 580, 610, 667, 725, 1150, 1220, 1334, 1403, 1450, 1525, 1769, 2300, 2668, 2806, 2875, 2900, 3050, 3335, 3538, 3625, 5612, 5750, 6100, 6670, 7015, 7076, 7250, 7625, 8845, 11500, 13340, 14030, 14500, 15250, 16675, 17690, 28060, 30500, 33350, 35075, 35380, 40687, 44225, 66700, 70150, 81374, 83375, 88450, 140300, 162748, 166750, 175375, 176900, 203435, 221125, 333500, 350750, 406870, 442250, 701500, 813740, 884500, 1017175, 2034350, 4068700, 5085875, 10171750, 20343500]

約数ペア:

[(1, 20343500), (2, 10171750), (4, 5085875), (5, 4068700), (10, 2034350), (20, 1017175), (23, 884500), (25, 813740), (29, 701500), (46, 442250), (50, 406870), (58, 350750), (61, 333500), (92, 221125), (100, 203435), (115, 176900), (116, 175375), (122, 166750), (125, 162748), (145, 140300), (230, 88450), (244, 83375), (250, 81374), (290, 70150), (305, 66700), (460, 44225), (500, 40687), (575, 35380), (580, 35075), (610, 33350), (667, 30500), (725, 28060), (1150, 17690), (1220, 16675), (1334, 15250), (1403, 14500), (1450, 14030), (1525, 13340), (1769, 11500), (2300, 8845), (2668, 7625), (2806, 7250), (2875, 7076), (2900, 7015), (3050, 6670), (3335, 6100), (3538, 5750), (3625, 5612)]