20763660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:295

約数の個数: 96

約数和(自身を含む): 61286400

約数和(自身を除く): 40522740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 47, 60, 74, 94, 111, 141, 148, 185, 188, 199, 222, 235, 282, 370, 398, 444, 470, 555, 564, 597, 705, 740, 796, 940, 995, 1110, 1194, 1410, 1739, 1990, 2220, 2388, 2820, 2985, 3478, 3980, 5217, 5970, 6956, 7363, 8695, 9353, 10434, 11940, 14726, 17390, 18706, 20868, 22089, 26085, 28059, 29452, 34780, 36815, 37412, 44178, 46765, 52170, 56118, 73630, 88356, 93530, 104340, 110445, 112236, 140295, 147260, 187060, 220890, 280590, 346061, 441780, 561180, 692122, 1038183, 1384244, 1730305, 2076366, 3460610, 4152732, 5190915, 6921220, 10381830, 20763660]

約数ペア:

[(1, 20763660), (2, 10381830), (3, 6921220), (4, 5190915), (5, 4152732), (6, 3460610), (10, 2076366), (12, 1730305), (15, 1384244), (20, 1038183), (30, 692122), (37, 561180), (47, 441780), (60, 346061), (74, 280590), (94, 220890), (111, 187060), (141, 147260), (148, 140295), (185, 112236), (188, 110445), (199, 104340), (222, 93530), (235, 88356), (282, 73630), (370, 56118), (398, 52170), (444, 46765), (470, 44178), (555, 37412), (564, 36815), (597, 34780), (705, 29452), (740, 28059), (796, 26085), (940, 22089), (995, 20868), (1110, 18706), (1194, 17390), (1410, 14726), (1739, 11940), (1990, 10434), (2220, 9353), (2388, 8695), (2820, 7363), (2985, 6956), (3478, 5970), (3980, 5217)]