20530400

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2333}}^1$

素因数の和:2364

約数の個数: 72

約数和(自身を含む): 54699624

約数和(自身を除く): 34169224

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 160, 176, 200, 220, 275, 352, 400, 440, 550, 800, 880, 1100, 1760, 2200, 2333, 4400, 4666, 8800, 9332, 11665, 18664, 23330, 25663, 37328, 46660, 51326, 58325, 74656, 93320, 102652, 116650, 128315, 186640, 205304, 233300, 256630, 373280, 410608, 466600, 513260, 641575, 821216, 933200, 1026520, 1283150, 1866400, 2053040, 2566300, 4106080, 5132600, 10265200, 20530400]

約数ペア:

[(1, 20530400), (2, 10265200), (4, 5132600), (5, 4106080), (8, 2566300), (10, 2053040), (11, 1866400), (16, 1283150), (20, 1026520), (22, 933200), (25, 821216), (32, 641575), (40, 513260), (44, 466600), (50, 410608), (55, 373280), (80, 256630), (88, 233300), (100, 205304), (110, 186640), (160, 128315), (176, 116650), (200, 102652), (220, 93320), (275, 74656), (352, 58325), (400, 51326), (440, 46660), (550, 37328), (800, 25663), (880, 23330), (1100, 18664), (1760, 11665), (2200, 9332), (2333, 8800), (4400, 4666)]