20405926908

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{2953}}^1\times {\mathrm{6619}}^1$

素因数の和:9611

約数の個数: 72

約数和(自身を含む): 53386460400

約数和(自身を除く): 32980533492

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 2953, 5906, 6619, 8859, 11812, 13238, 17718, 19857, 26476, 26577, 35436, 39714, 53154, 59571, 79428, 85637, 106308, 119142, 171274, 191951, 238284, 256911, 342548, 383902, 513822, 575853, 767804, 770733, 1027644, 1151706, 1541466, 1727559, 2303412, 3082932, 3455118, 6910236, 19545907, 39091814, 58637721, 78183628, 117275442, 175913163, 234550884, 351826326, 566831303, 703652652, 1133662606, 1700493909, 2267325212, 3400987818, 5101481727, 6801975636, 10202963454, 20405926908]

約数ペア:

[(1, 20405926908), (2, 10202963454), (3, 6801975636), (4, 5101481727), (6, 3400987818), (9, 2267325212), (12, 1700493909), (18, 1133662606), (29, 703652652), (36, 566831303), (58, 351826326), (87, 234550884), (116, 175913163), (174, 117275442), (261, 78183628), (348, 58637721), (522, 39091814), (1044, 19545907), (2953, 6910236), (5906, 3455118), (6619, 3082932), (8859, 2303412), (11812, 1727559), (13238, 1541466), (17718, 1151706), (19857, 1027644), (26476, 770733), (26577, 767804), (35436, 575853), (39714, 513822), (53154, 383902), (59571, 342548), (79428, 256911), (85637, 238284), (106308, 191951), (119142, 171274)]