20171340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{2287}}^1$

素因数の和:2316

約数の個数: 108

約数和(自身を含む): 71207136

約数和(自身を除く): 51035796

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2287, 2940, 4410, 4574, 6861, 8820, 9148, 11435, 13722, 16009, 20583, 22870, 27444, 32018, 34305, 41166, 45740, 48027, 64036, 68610, 80045, 82332, 96054, 102915, 112063, 137220, 144081, 160090, 192108, 205830, 224126, 240135, 288162, 320180, 336189, 411660, 448252, 480270, 560315, 576324, 672378, 720405, 960540, 1008567, 1120630, 1344756, 1440810, 1680945, 2017134, 2241260, 2881620, 3361890, 4034268, 5042835, 6723780, 10085670, 20171340]

約数ペア:

[(1, 20171340), (2, 10085670), (3, 6723780), (4, 5042835), (5, 4034268), (6, 3361890), (7, 2881620), (9, 2241260), (10, 2017134), (12, 1680945), (14, 1440810), (15, 1344756), (18, 1120630), (20, 1008567), (21, 960540), (28, 720405), (30, 672378), (35, 576324), (36, 560315), (42, 480270), (45, 448252), (49, 411660), (60, 336189), (63, 320180), (70, 288162), (84, 240135), (90, 224126), (98, 205830), (105, 192108), (126, 160090), (140, 144081), (147, 137220), (180, 112063), (196, 102915), (210, 96054), (245, 82332), (252, 80045), (294, 68610), (315, 64036), (420, 48027), (441, 45740), (490, 41166), (588, 34305), (630, 32018), (735, 27444), (882, 22870), (980, 20583), (1260, 16009), (1470, 13722), (1764, 11435), (2205, 9148), (2287, 8820), (2940, 6861), (4410, 4574)]