20812428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6353}}^1$

素因数の和:6383

約数の個数: 72

約数和(自身を含む): 64759968

約数和(自身を除く): 43947540

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 6353, 12706, 19059, 25412, 38118, 44471, 57177, 76236, 82589, 88942, 114354, 133413, 165178, 177884, 228708, 247767, 266826, 330356, 400239, 495534, 533652, 578123, 743301, 800478, 991068, 1156246, 1486602, 1600956, 1734369, 2312492, 2973204, 3468738, 5203107, 6937476, 10406214, 20812428]

約数ペア:

[(1, 20812428), (2, 10406214), (3, 6937476), (4, 5203107), (6, 3468738), (7, 2973204), (9, 2312492), (12, 1734369), (13, 1600956), (14, 1486602), (18, 1156246), (21, 991068), (26, 800478), (28, 743301), (36, 578123), (39, 533652), (42, 495534), (52, 400239), (63, 330356), (78, 266826), (84, 247767), (91, 228708), (117, 177884), (126, 165178), (156, 133413), (182, 114354), (234, 88942), (252, 82589), (273, 76236), (364, 57177), (468, 44471), (546, 38118), (819, 25412), (1092, 19059), (1638, 12706), (3276, 6353)]