20307105

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:85

約数の個数: 160

約数和(自身を含む): 48787200

約数和(自身を除く): 28480095

約数列:

[1, 3, 5, 7, 9, 13, 15, 19, 21, 27, 29, 35, 39, 45, 57, 63, 65, 81, 87, 91, 95, 105, 117, 133, 135, 145, 171, 189, 195, 203, 247, 261, 273, 285, 315, 351, 377, 399, 405, 435, 455, 513, 551, 567, 585, 609, 665, 741, 783, 819, 855, 945, 1015, 1053, 1131, 1197, 1235, 1305, 1365, 1539, 1653, 1729, 1755, 1827, 1885, 1995, 2223, 2349, 2457, 2565, 2639, 2755, 2835, 3045, 3393, 3591, 3705, 3857, 3915, 4095, 4959, 5187, 5265, 5481, 5655, 5985, 6669, 7163, 7371, 7695, 7917, 8265, 8645, 9135, 10179, 10773, 11115, 11571, 11745, 12285, 13195, 14877, 15561, 16443, 16965, 17955, 19285, 20007, 21489, 23751, 24795, 25935, 27405, 30537, 33345, 34713, 35815, 36855, 39585, 44631, 46683, 50141, 50895, 53865, 57855, 64467, 71253, 74385, 77805, 82215, 100035, 104139, 107445, 118755, 140049, 150423, 152685, 173565, 193401, 213759, 223155, 233415, 250705, 312417, 322335, 356265, 451269, 520695, 580203, 700245, 752115, 967005, 1068795, 1353807, 1562085, 2256345, 2901015, 4061421, 6769035, 20307105]

約数ペア:

[(1, 20307105), (3, 6769035), (5, 4061421), (7, 2901015), (9, 2256345), (13, 1562085), (15, 1353807), (19, 1068795), (21, 967005), (27, 752115), (29, 700245), (35, 580203), (39, 520695), (45, 451269), (57, 356265), (63, 322335), (65, 312417), (81, 250705), (87, 233415), (91, 223155), (95, 213759), (105, 193401), (117, 173565), (133, 152685), (135, 150423), (145, 140049), (171, 118755), (189, 107445), (195, 104139), (203, 100035), (247, 82215), (261, 77805), (273, 74385), (285, 71253), (315, 64467), (351, 57855), (377, 53865), (399, 50895), (405, 50141), (435, 46683), (455, 44631), (513, 39585), (551, 36855), (567, 35815), (585, 34713), (609, 33345), (665, 30537), (741, 27405), (783, 25935), (819, 24795), (855, 23751), (945, 21489), (1015, 20007), (1053, 19285), (1131, 17955), (1197, 16965), (1235, 16443), (1305, 15561), (1365, 14877), (1539, 13195), (1653, 12285), (1729, 11745), (1755, 11571), (1827, 11115), (1885, 10773), (1995, 10179), (2223, 9135), (2349, 8645), (2457, 8265), (2565, 7917), (2639, 7695), (2755, 7371), (2835, 7163), (3045, 6669), (3393, 5985), (3591, 5655), (3705, 5481), (3857, 5265), (3915, 5187), (4095, 4959)]