20172916940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{281}}^1\times {\mathrm{1823}}^1$

素因数の和:2303

約数の個数: 96

約数和(自身を含む): 46663464960

約数和(自身を除く): 26490548020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 179, 220, 281, 358, 562, 716, 895, 1124, 1405, 1790, 1823, 1969, 2810, 3091, 3580, 3646, 3938, 5620, 6182, 7292, 7876, 9115, 9845, 12364, 15455, 18230, 19690, 20053, 30910, 36460, 39380, 40106, 50299, 61820, 80212, 100265, 100598, 200530, 201196, 251495, 326317, 401060, 502990, 512263, 553289, 652634, 1005980, 1024526, 1106578, 1305268, 1631585, 2049052, 2213156, 2561315, 2766445, 3263170, 3589487, 5122630, 5532890, 5634893, 6526340, 7178974, 10245260, 11065780, 11269786, 14357948, 17947435, 22539572, 28174465, 35894870, 56348930, 71789740, 91695077, 112697860, 183390154, 366780308, 458475385, 916950770, 1008645847, 1833901540, 2017291694, 4034583388, 5043229235, 10086458470, 20172916940]

約数ペア:

[(1, 20172916940), (2, 10086458470), (4, 5043229235), (5, 4034583388), (10, 2017291694), (11, 1833901540), (20, 1008645847), (22, 916950770), (44, 458475385), (55, 366780308), (110, 183390154), (179, 112697860), (220, 91695077), (281, 71789740), (358, 56348930), (562, 35894870), (716, 28174465), (895, 22539572), (1124, 17947435), (1405, 14357948), (1790, 11269786), (1823, 11065780), (1969, 10245260), (2810, 7178974), (3091, 6526340), (3580, 5634893), (3646, 5532890), (3938, 5122630), (5620, 3589487), (6182, 3263170), (7292, 2766445), (7876, 2561315), (9115, 2213156), (9845, 2049052), (12364, 1631585), (15455, 1305268), (18230, 1106578), (19690, 1024526), (20053, 1005980), (30910, 652634), (36460, 553289), (39380, 512263), (40106, 502990), (50299, 401060), (61820, 326317), (80212, 251495), (100265, 201196), (100598, 200530)]