20130984975

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{2207}}^1$

素因数の和:2449

約数の個数: 96

約数和(自身を含む): 36206254080

約数和(自身を除く): 16075269105

約数列:

[1, 3, 5, 15, 19, 25, 37, 57, 75, 95, 111, 173, 185, 285, 475, 519, 555, 703, 865, 925, 1425, 2109, 2207, 2595, 2775, 3287, 3515, 4325, 6401, 6621, 9861, 10545, 11035, 12975, 16435, 17575, 19203, 32005, 33105, 41933, 49305, 52725, 55175, 81659, 82175, 96015, 121619, 125799, 160025, 165525, 209665, 244977, 246525, 364857, 381811, 408295, 480075, 608095, 628995, 1048325, 1145433, 1224885, 1551521, 1824285, 1909055, 2041475, 3040475, 3144975, 4654563, 5727165, 6124425, 7254409, 7757605, 9121425, 9545275, 14127007, 21763227, 23272815, 28635825, 36272045, 38788025, 42381021, 70635035, 108816135, 116364075, 181360225, 211905105, 268413133, 353175175, 544080675, 805239399, 1059525525, 1342065665, 4026196995, 6710328325, 20130984975]

約数ペア:

[(1, 20130984975), (3, 6710328325), (5, 4026196995), (15, 1342065665), (19, 1059525525), (25, 805239399), (37, 544080675), (57, 353175175), (75, 268413133), (95, 211905105), (111, 181360225), (173, 116364075), (185, 108816135), (285, 70635035), (475, 42381021), (519, 38788025), (555, 36272045), (703, 28635825), (865, 23272815), (925, 21763227), (1425, 14127007), (2109, 9545275), (2207, 9121425), (2595, 7757605), (2775, 7254409), (3287, 6124425), (3515, 5727165), (4325, 4654563), (6401, 3144975), (6621, 3040475), (9861, 2041475), (10545, 1909055), (11035, 1824285), (12975, 1551521), (16435, 1224885), (17575, 1145433), (19203, 1048325), (32005, 628995), (33105, 608095), (41933, 480075), (49305, 408295), (52725, 381811), (55175, 364857), (81659, 246525), (82175, 244977), (96015, 209665), (121619, 165525), (125799, 160025)]