20052690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:212

約数の個数: 128

約数和(自身を含む): 60092928

約数和(自身を除く): 40040238

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 41, 42, 51, 70, 82, 85, 102, 105, 119, 123, 137, 170, 205, 210, 238, 246, 255, 274, 287, 357, 410, 411, 510, 574, 595, 615, 685, 697, 714, 822, 861, 959, 1190, 1230, 1370, 1394, 1435, 1722, 1785, 1918, 2055, 2091, 2329, 2870, 2877, 3485, 3570, 4110, 4182, 4305, 4658, 4795, 4879, 5617, 5754, 6970, 6987, 8610, 9590, 9758, 10455, 11234, 11645, 13974, 14385, 14637, 16303, 16851, 20910, 23290, 24395, 28085, 28770, 29274, 32606, 33702, 34935, 39319, 48790, 48909, 56170, 69870, 73185, 78638, 81515, 84255, 95489, 97818, 117957, 146370, 163030, 168510, 190978, 196595, 235914, 244545, 286467, 393190, 477445, 489090, 572934, 589785, 668423, 954890, 1179570, 1336846, 1432335, 2005269, 2864670, 3342115, 4010538, 6684230, 10026345, 20052690]

約数ペア:

[(1, 20052690), (2, 10026345), (3, 6684230), (5, 4010538), (6, 3342115), (7, 2864670), (10, 2005269), (14, 1432335), (15, 1336846), (17, 1179570), (21, 954890), (30, 668423), (34, 589785), (35, 572934), (41, 489090), (42, 477445), (51, 393190), (70, 286467), (82, 244545), (85, 235914), (102, 196595), (105, 190978), (119, 168510), (123, 163030), (137, 146370), (170, 117957), (205, 97818), (210, 95489), (238, 84255), (246, 81515), (255, 78638), (274, 73185), (287, 69870), (357, 56170), (410, 48909), (411, 48790), (510, 39319), (574, 34935), (595, 33702), (615, 32606), (685, 29274), (697, 28770), (714, 28085), (822, 24395), (861, 23290), (959, 20910), (1190, 16851), (1230, 16303), (1370, 14637), (1394, 14385), (1435, 13974), (1722, 11645), (1785, 11234), (1918, 10455), (2055, 9758), (2091, 9590), (2329, 8610), (2870, 6987), (2877, 6970), (3485, 5754), (3570, 5617), (4110, 4879), (4182, 4795), (4305, 4658)]