20833330

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 96

約数和(自身を含む): 48090672

約数和(自身を除く): 27257342

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 41, 49, 61, 70, 82, 85, 98, 119, 122, 170, 205, 238, 245, 287, 305, 410, 427, 490, 574, 595, 610, 697, 833, 854, 1037, 1190, 1394, 1435, 1666, 2009, 2074, 2135, 2501, 2870, 2989, 3485, 4018, 4165, 4270, 4879, 5002, 5185, 5978, 6970, 7259, 8330, 9758, 10045, 10370, 12505, 14518, 14945, 17507, 20090, 24395, 25010, 29890, 34153, 35014, 36295, 42517, 48790, 50813, 68306, 72590, 85034, 87535, 101626, 122549, 170765, 175070, 212585, 245098, 254065, 297619, 341530, 425170, 508130, 595238, 612745, 1225490, 1488095, 2083333, 2976190, 4166666, 10416665, 20833330]

約数ペア:

[(1, 20833330), (2, 10416665), (5, 4166666), (7, 2976190), (10, 2083333), (14, 1488095), (17, 1225490), (34, 612745), (35, 595238), (41, 508130), (49, 425170), (61, 341530), (70, 297619), (82, 254065), (85, 245098), (98, 212585), (119, 175070), (122, 170765), (170, 122549), (205, 101626), (238, 87535), (245, 85034), (287, 72590), (305, 68306), (410, 50813), (427, 48790), (490, 42517), (574, 36295), (595, 35014), (610, 34153), (697, 29890), (833, 25010), (854, 24395), (1037, 20090), (1190, 17507), (1394, 14945), (1435, 14518), (1666, 12505), (2009, 10370), (2074, 10045), (2135, 9758), (2501, 8330), (2870, 7259), (2989, 6970), (3485, 5978), (4018, 5185), (4165, 5002), (4270, 4879)]