20414280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10007}}^1$

素因数の和:10038

約数の個数: 64

約数和(自身を含む): 64851840

約数和(自身を除く): 44437560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 10007, 20014, 30021, 40028, 50035, 60042, 80056, 100070, 120084, 150105, 170119, 200140, 240168, 300210, 340238, 400280, 510357, 600420, 680476, 850595, 1020714, 1200840, 1360952, 1701190, 2041428, 2551785, 3402380, 4082856, 5103570, 6804760, 10207140, 20414280]

約数ペア:

[(1, 20414280), (2, 10207140), (3, 6804760), (4, 5103570), (5, 4082856), (6, 3402380), (8, 2551785), (10, 2041428), (12, 1701190), (15, 1360952), (17, 1200840), (20, 1020714), (24, 850595), (30, 680476), (34, 600420), (40, 510357), (51, 400280), (60, 340238), (68, 300210), (85, 240168), (102, 200140), (120, 170119), (136, 150105), (170, 120084), (204, 100070), (255, 80056), (340, 60042), (408, 50035), (510, 40028), (680, 30021), (1020, 20014), (2040, 10007)]