20895458760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1758877}}^1$

素因数の和:1758908

約数の個数: 128

約数和(自身を含む): 75983529600

約数和(自身を除く): 55088070840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1980, 2376, 2970, 3960, 5940, 11880, 1758877, 3517754, 5276631, 7035508, 8794385, 10553262, 14071016, 15829893, 17588770, 19347647, 21106524, 26383155, 31659786, 35177540, 38695294, 42213048, 47489679, 52766310, 58042941, 63319572, 70355080, 77390588, 79149465, 94979358, 96738235, 105532620, 116085882, 126639144, 154781176, 158298930, 174128823, 189958716, 193476470, 211065240, 232171764, 237448395, 290214705, 316597860, 348257646, 379917432, 386952940, 464343528, 474896790, 522386469, 580429410, 633195720, 696515292, 773905880, 870644115, 949793580, 1044772938, 1160858820, 1393030584, 1741288230, 1899587160, 2089545876, 2321717640, 2611932345, 3482576460, 4179091752, 5223864690, 6965152920, 10447729380, 20895458760]

約数ペア:

[(1, 20895458760), (2, 10447729380), (3, 6965152920), (4, 5223864690), (5, 4179091752), (6, 3482576460), (8, 2611932345), (9, 2321717640), (10, 2089545876), (11, 1899587160), (12, 1741288230), (15, 1393030584), (18, 1160858820), (20, 1044772938), (22, 949793580), (24, 870644115), (27, 773905880), (30, 696515292), (33, 633195720), (36, 580429410), (40, 522386469), (44, 474896790), (45, 464343528), (54, 386952940), (55, 379917432), (60, 348257646), (66, 316597860), (72, 290214705), (88, 237448395), (90, 232171764), (99, 211065240), (108, 193476470), (110, 189958716), (120, 174128823), (132, 158298930), (135, 154781176), (165, 126639144), (180, 116085882), (198, 105532620), (216, 96738235), (220, 94979358), (264, 79149465), (270, 77390588), (297, 70355080), (330, 63319572), (360, 58042941), (396, 52766310), (440, 47489679), (495, 42213048), (540, 38695294), (594, 35177540), (660, 31659786), (792, 26383155), (990, 21106524), (1080, 19347647), (1188, 17588770), (1320, 15829893), (1485, 14071016), (1980, 10553262), (2376, 8794385), (2970, 7035508), (3960, 5276631), (5940, 3517754), (11880, 1758877)]