20822130

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{479}}^1$

素因数の和:525

約数の個数: 128

約数和(自身を含む): 66355200

約数和(自身を除く): 45533070

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 27, 30, 35, 42, 45, 46, 54, 63, 69, 70, 90, 105, 115, 126, 135, 138, 161, 189, 207, 210, 230, 270, 315, 322, 345, 378, 414, 479, 483, 621, 630, 690, 805, 945, 958, 966, 1035, 1242, 1437, 1449, 1610, 1890, 2070, 2395, 2415, 2874, 2898, 3105, 3353, 4311, 4347, 4790, 4830, 6210, 6706, 7185, 7245, 8622, 8694, 10059, 11017, 12933, 14370, 14490, 16765, 20118, 21555, 21735, 22034, 25866, 30177, 33051, 33530, 43110, 43470, 50295, 55085, 60354, 64665, 66102, 77119, 90531, 99153, 100590, 110170, 129330, 150885, 154238, 165255, 181062, 198306, 231357, 297459, 301770, 330510, 385595, 452655, 462714, 495765, 594918, 694071, 771190, 905310, 991530, 1156785, 1388142, 1487295, 2082213, 2313570, 2974590, 3470355, 4164426, 6940710, 10411065, 20822130]

約数ペア:

[(1, 20822130), (2, 10411065), (3, 6940710), (5, 4164426), (6, 3470355), (7, 2974590), (9, 2313570), (10, 2082213), (14, 1487295), (15, 1388142), (18, 1156785), (21, 991530), (23, 905310), (27, 771190), (30, 694071), (35, 594918), (42, 495765), (45, 462714), (46, 452655), (54, 385595), (63, 330510), (69, 301770), (70, 297459), (90, 231357), (105, 198306), (115, 181062), (126, 165255), (135, 154238), (138, 150885), (161, 129330), (189, 110170), (207, 100590), (210, 99153), (230, 90531), (270, 77119), (315, 66102), (322, 64665), (345, 60354), (378, 55085), (414, 50295), (479, 43470), (483, 43110), (621, 33530), (630, 33051), (690, 30177), (805, 25866), (945, 22034), (958, 21735), (966, 21555), (1035, 20118), (1242, 16765), (1437, 14490), (1449, 14370), (1610, 12933), (1890, 11017), (2070, 10059), (2395, 8694), (2415, 8622), (2874, 7245), (2898, 7185), (3105, 6706), (3353, 6210), (4311, 4830), (4347, 4790)]