20228565520

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1\times {\mathrm{12853}}^1$

素因数の和:13160

約数の個数: 80

約数和(自身を含む): 47740372992

約数和(自身を除く): 27511807472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 191, 206, 382, 412, 515, 764, 824, 955, 1030, 1528, 1648, 1910, 2060, 3056, 3820, 4120, 7640, 8240, 12853, 15280, 19673, 25706, 39346, 51412, 64265, 78692, 98365, 102824, 128530, 157384, 196730, 205648, 257060, 314768, 393460, 514120, 786920, 1028240, 1323859, 1573840, 2454923, 2647718, 4909846, 5295436, 6619295, 9819692, 10590872, 12274615, 13238590, 19639384, 21181744, 24549230, 26477180, 39278768, 49098460, 52954360, 98196920, 105908720, 196393840, 252857069, 505714138, 1011428276, 1264285345, 2022856552, 2528570690, 4045713104, 5057141380, 10114282760, 20228565520]

約数ペア:

[(1, 20228565520), (2, 10114282760), (4, 5057141380), (5, 4045713104), (8, 2528570690), (10, 2022856552), (16, 1264285345), (20, 1011428276), (40, 505714138), (80, 252857069), (103, 196393840), (191, 105908720), (206, 98196920), (382, 52954360), (412, 49098460), (515, 39278768), (764, 26477180), (824, 24549230), (955, 21181744), (1030, 19639384), (1528, 13238590), (1648, 12274615), (1910, 10590872), (2060, 9819692), (3056, 6619295), (3820, 5295436), (4120, 4909846), (7640, 2647718), (8240, 2454923), (12853, 1573840), (15280, 1323859), (19673, 1028240), (25706, 786920), (39346, 514120), (51412, 393460), (64265, 314768), (78692, 257060), (98365, 205648), (102824, 196730), (128530, 157384)]