20176943360

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{2251891}}^1$

素因数の和:2251919

約数の個数: 72

約数和(自身を含む): 55234406976

約数和(自身を除く): 35057463616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 2251891, 4503782, 9007564, 11259455, 15763237, 18015128, 22518910, 31526474, 36030256, 45037820, 63052948, 72060512, 78816185, 90075640, 126105896, 144121024, 157632370, 180151280, 252211792, 288242048, 315264740, 360302560, 504423584, 576484096, 630529480, 720605120, 1008847168, 1261058960, 1441210240, 2017694336, 2522117920, 2882420480, 4035388672, 5044235840, 10088471680, 20176943360]

約数ペア:

[(1, 20176943360), (2, 10088471680), (4, 5044235840), (5, 4035388672), (7, 2882420480), (8, 2522117920), (10, 2017694336), (14, 1441210240), (16, 1261058960), (20, 1008847168), (28, 720605120), (32, 630529480), (35, 576484096), (40, 504423584), (56, 360302560), (64, 315264740), (70, 288242048), (80, 252211792), (112, 180151280), (128, 157632370), (140, 144121024), (160, 126105896), (224, 90075640), (256, 78816185), (280, 72060512), (320, 63052948), (448, 45037820), (560, 36030256), (640, 31526474), (896, 22518910), (1120, 18015128), (1280, 15763237), (1792, 11259455), (2240, 9007564), (4480, 4503782), (8960, 2251891)]