20666050

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{593}}^1$

素因数の和:663

約数の個数: 48

約数和(自身を含む): 41762952

約数和(自身を除く): 21096902

約数列:

[1, 2, 5, 10, 17, 25, 34, 41, 50, 82, 85, 170, 205, 410, 425, 593, 697, 850, 1025, 1186, 1394, 2050, 2965, 3485, 5930, 6970, 10081, 14825, 17425, 20162, 24313, 29650, 34850, 48626, 50405, 100810, 121565, 243130, 252025, 413321, 504050, 607825, 826642, 1215650, 2066605, 4133210, 10333025, 20666050]

約数ペア:

[(1, 20666050), (2, 10333025), (5, 4133210), (10, 2066605), (17, 1215650), (25, 826642), (34, 607825), (41, 504050), (50, 413321), (82, 252025), (85, 243130), (170, 121565), (205, 100810), (410, 50405), (425, 48626), (593, 34850), (697, 29650), (850, 24313), (1025, 20162), (1186, 17425), (1394, 14825), (2050, 10081), (2965, 6970), (3485, 5930)]