20235960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1$

素因数の和:518

約数の個数: 128

約数和(自身を含む): 69249600

約数和(自身を除く): 49013640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 41, 45, 54, 60, 72, 82, 90, 108, 120, 123, 135, 164, 180, 205, 216, 246, 270, 328, 360, 369, 410, 457, 492, 540, 615, 738, 820, 914, 984, 1080, 1107, 1230, 1371, 1476, 1640, 1828, 1845, 2214, 2285, 2460, 2742, 2952, 3656, 3690, 4113, 4428, 4570, 4920, 5484, 5535, 6855, 7380, 8226, 8856, 9140, 10968, 11070, 12339, 13710, 14760, 16452, 18280, 18737, 20565, 22140, 24678, 27420, 32904, 37474, 41130, 44280, 49356, 54840, 56211, 61695, 74948, 82260, 93685, 98712, 112422, 123390, 149896, 164520, 168633, 187370, 224844, 246780, 281055, 337266, 374740, 449688, 493560, 505899, 562110, 674532, 749480, 843165, 1011798, 1124220, 1349064, 1686330, 2023596, 2248440, 2529495, 3372660, 4047192, 5058990, 6745320, 10117980, 20235960]

約数ペア:

[(1, 20235960), (2, 10117980), (3, 6745320), (4, 5058990), (5, 4047192), (6, 3372660), (8, 2529495), (9, 2248440), (10, 2023596), (12, 1686330), (15, 1349064), (18, 1124220), (20, 1011798), (24, 843165), (27, 749480), (30, 674532), (36, 562110), (40, 505899), (41, 493560), (45, 449688), (54, 374740), (60, 337266), (72, 281055), (82, 246780), (90, 224844), (108, 187370), (120, 168633), (123, 164520), (135, 149896), (164, 123390), (180, 112422), (205, 98712), (216, 93685), (246, 82260), (270, 74948), (328, 61695), (360, 56211), (369, 54840), (410, 49356), (457, 44280), (492, 41130), (540, 37474), (615, 32904), (738, 27420), (820, 24678), (914, 22140), (984, 20565), (1080, 18737), (1107, 18280), (1230, 16452), (1371, 14760), (1476, 13710), (1640, 12339), (1828, 11070), (1845, 10968), (2214, 9140), (2285, 8856), (2460, 8226), (2742, 7380), (2952, 6855), (3656, 5535), (3690, 5484), (4113, 4920), (4428, 4570)]