20144361208

素因数分解:

$2^3\times {\mathrm{17}}^3\times {\mathrm{397}}^1\times {\mathrm{1291}}^1$

素因数の和:1745

約数の個数: 64

約数和(自身を含む): 40263112800

約数和(自身を除く): 20118751592

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 397, 578, 794, 1156, 1291, 1588, 2312, 2582, 3176, 4913, 5164, 6749, 9826, 10328, 13498, 19652, 21947, 26996, 39304, 43894, 53992, 87788, 114733, 175576, 229466, 373099, 458932, 512527, 746198, 917864, 1025054, 1492396, 1950461, 2050108, 2984792, 3900922, 4100216, 6342683, 7801844, 8712959, 12685366, 15603688, 17425918, 25370732, 34851836, 50741464, 69703672, 148120303, 296240606, 592481212, 1184962424, 2518045151, 5036090302, 10072180604, 20144361208]

約数ペア:

[(1, 20144361208), (2, 10072180604), (4, 5036090302), (8, 2518045151), (17, 1184962424), (34, 592481212), (68, 296240606), (136, 148120303), (289, 69703672), (397, 50741464), (578, 34851836), (794, 25370732), (1156, 17425918), (1291, 15603688), (1588, 12685366), (2312, 8712959), (2582, 7801844), (3176, 6342683), (4913, 4100216), (5164, 3900922), (6749, 2984792), (9826, 2050108), (10328, 1950461), (13498, 1492396), (19652, 1025054), (21947, 917864), (26996, 746198), (39304, 512527), (43894, 458932), (53992, 373099), (87788, 229466), (114733, 175576)]