20108264900

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1213}}^1\times {\mathrm{1709}}^1$

素因数の和:3033

約数の個数: 72

約数和(自身を含む): 44146940040

約数和(自身を除く): 24038675140

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 194, 388, 485, 970, 1213, 1709, 1940, 2425, 2426, 3418, 4850, 4852, 6065, 6836, 8545, 9700, 12130, 17090, 24260, 30325, 34180, 42725, 60650, 85450, 117661, 121300, 165773, 170900, 235322, 331546, 470644, 588305, 663092, 828865, 1176610, 1657730, 2073017, 2353220, 2941525, 3315460, 4144325, 4146034, 5883050, 8288650, 8292068, 10365085, 11766100, 16577300, 20730170, 41460340, 51825425, 103650850, 201082649, 207301700, 402165298, 804330596, 1005413245, 2010826490, 4021652980, 5027066225, 10054132450, 20108264900]

約数ペア:

[(1, 20108264900), (2, 10054132450), (4, 5027066225), (5, 4021652980), (10, 2010826490), (20, 1005413245), (25, 804330596), (50, 402165298), (97, 207301700), (100, 201082649), (194, 103650850), (388, 51825425), (485, 41460340), (970, 20730170), (1213, 16577300), (1709, 11766100), (1940, 10365085), (2425, 8292068), (2426, 8288650), (3418, 5883050), (4850, 4146034), (4852, 4144325), (6065, 3315460), (6836, 2941525), (8545, 2353220), (9700, 2073017), (12130, 1657730), (17090, 1176610), (24260, 828865), (30325, 663092), (34180, 588305), (42725, 470644), (60650, 331546), (85450, 235322), (117661, 170900), (121300, 165773)]