20459353.000000000

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1549}}^1$

素因数の和:1620

約数の個数: 128

約数和(自身を含む): 524966400

約数和(自身を除く): 351586830

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 41, 42, 65, 70, 78, 82, 91, 105, 123, 130, 182, 195, 205, 210, 246, 273, 287, 390, 410, 455, 533, 546, 574, 615, 861, 910, 1066, 1230, 1365, 1435, 1549, 1599, 1722, 2665, 2730, 2870, 3098, 3198, 3731, 4305, 4647, 5330, 7462, 7745, 7995, 8610, 9294, 10843, 11193, 15490, 15990, 18655, 20137, 21686, 22386, 23235, 32529, 37310, 40274, 46470, 54215, 55965, 60411, 63509, 65058, 100685, 108430, 111930, 120822, 127018, 140959, 162645, 190527, 201370, 281918, 302055, 317545, 325290, 381054, 422877, 444563, 604110, 635090, 704795, 825617, 845754, 889126, 952635, 1333689, 1409590, 1651234, 1905270, 2114385, 2222815, 2476851, 2667378, 4128085, 4228770, 4445630, 4953702, 5779319, 6668445, 8256170, 11558638, 12384255, 13336890, 17337957, 24768510, 28896595, 34675914, 57793190, 86689785, 173379570]

約数ペア:

[(1, 173379570), (2, 86689785), (3, 57793190), (5, 34675914), (6, 28896595), (7, 24768510), (10, 17337957), (13, 13336890), (14, 12384255), (15, 11558638), (21, 8256170), (26, 6668445), (30, 5779319), (35, 4953702), (39, 4445630), (41, 4228770), (42, 4128085), (65, 2667378), (70, 2476851), (78, 2222815), (82, 2114385), (91, 1905270), (105, 1651234), (123, 1409590), (130, 1333689), (182, 952635), (195, 889126), (205, 845754), (210, 825617), (246, 704795), (273, 635090), (287, 604110), (390, 444563), (410, 422877), (455, 381054), (533, 325290), (546, 317545), (574, 302055), (615, 281918), (861, 201370), (910, 190527), (1066, 162645), (1230, 140959), (1365, 127018), (1435, 120822), (1549, 111930), (1599, 108430), (1722, 100685), (2665, 65058), (2730, 63509), (2870, 60411), (3098, 55965), (3198, 54215), (3731, 46470), (4305, 40274), (4647, 37310), (5330, 32529), (7462, 23235), (7745, 22386), (7995, 21686), (8610, 20137), (9294, 18655), (10843, 15990), (11193, 15490)]