20671570486

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{10589}}^1$

素因数の和:10837

約数の個数: 64

約数和(自身を含む): 38428992000

約数和(自身を除く): 17757421514

約数列:

[1, 2, 7, 14, 19, 38, 41, 82, 133, 179, 266, 287, 358, 574, 779, 1253, 1558, 2506, 3401, 5453, 6802, 7339, 10589, 10906, 14678, 21178, 23807, 47614, 51373, 74123, 102746, 139441, 148246, 201191, 278882, 402382, 434149, 868298, 976087, 1408337, 1895431, 1952174, 2816674, 3039043, 3790862, 6078086, 8248831, 13268017, 16497662, 26536034, 36013189, 57741817, 72026378, 77712671, 115483634, 155425342, 252092323, 504184646, 543988697, 1087977394, 1476540749, 2953081498, 10335785243, 20671570486]

約数ペア:

[(1, 20671570486), (2, 10335785243), (7, 2953081498), (14, 1476540749), (19, 1087977394), (38, 543988697), (41, 504184646), (82, 252092323), (133, 155425342), (179, 115483634), (266, 77712671), (287, 72026378), (358, 57741817), (574, 36013189), (779, 26536034), (1253, 16497662), (1558, 13268017), (2506, 8248831), (3401, 6078086), (5453, 3790862), (6802, 3039043), (7339, 2816674), (10589, 1952174), (10906, 1895431), (14678, 1408337), (21178, 976087), (23807, 868298), (47614, 434149), (51373, 402382), (74123, 278882), (102746, 201191), (139441, 148246)]