20047680

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{6961}}^1$

素因数の和:6984

約数の個数: 84

約数和(自身を含む): 68965572

約数和(自身を除く): 48917892

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 6961, 13922, 20883, 27844, 34805, 41766, 55688, 62649, 69610, 83532, 104415, 111376, 125298, 139220, 167064, 208830, 222752, 250596, 278440, 313245, 334128, 417660, 445504, 501192, 556880, 626490, 668256, 835320, 1002384, 1113760, 1252980, 1336512, 1670640, 2004768, 2227520, 2505960, 3341280, 4009536, 5011920, 6682560, 10023840, 20047680]

約数ペア:

[(1, 20047680), (2, 10023840), (3, 6682560), (4, 5011920), (5, 4009536), (6, 3341280), (8, 2505960), (9, 2227520), (10, 2004768), (12, 1670640), (15, 1336512), (16, 1252980), (18, 1113760), (20, 1002384), (24, 835320), (30, 668256), (32, 626490), (36, 556880), (40, 501192), (45, 445504), (48, 417660), (60, 334128), (64, 313245), (72, 278440), (80, 250596), (90, 222752), (96, 208830), (120, 167064), (144, 139220), (160, 125298), (180, 111376), (192, 104415), (240, 83532), (288, 69610), (320, 62649), (360, 55688), (480, 41766), (576, 34805), (720, 27844), (960, 20883), (1440, 13922), (2880, 6961)]