20483070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:329

約数の個数: 64

約数和(自身を含む): 51148800

約数和(自身を除く): 30665730

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 73, 94, 141, 146, 199, 219, 235, 282, 365, 398, 438, 470, 597, 705, 730, 995, 1095, 1194, 1410, 1990, 2190, 2985, 3431, 5970, 6862, 9353, 10293, 14527, 17155, 18706, 20586, 28059, 29054, 34310, 43581, 46765, 51465, 56118, 72635, 87162, 93530, 102930, 140295, 145270, 217905, 280590, 435810, 682769, 1365538, 2048307, 3413845, 4096614, 6827690, 10241535, 20483070]

約数ペア:

[(1, 20483070), (2, 10241535), (3, 6827690), (5, 4096614), (6, 3413845), (10, 2048307), (15, 1365538), (30, 682769), (47, 435810), (73, 280590), (94, 217905), (141, 145270), (146, 140295), (199, 102930), (219, 93530), (235, 87162), (282, 72635), (365, 56118), (398, 51465), (438, 46765), (470, 43581), (597, 34310), (705, 29054), (730, 28059), (995, 20586), (1095, 18706), (1194, 17155), (1410, 14527), (1990, 10293), (2190, 9353), (2985, 6862), (3431, 5970)]