20218997040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{55903}}^1$

素因数の和:56067

約数の個数: 160

約数和(自身を含む): 68877305856

約数和(自身を除く): 48658308816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 137, 165, 176, 220, 240, 264, 274, 330, 411, 440, 528, 548, 660, 685, 822, 880, 1096, 1320, 1370, 1507, 1644, 2055, 2192, 2640, 2740, 3014, 3288, 4110, 4521, 5480, 6028, 6576, 7535, 8220, 9042, 10960, 12056, 15070, 16440, 18084, 22605, 24112, 30140, 32880, 36168, 45210, 55903, 60280, 72336, 90420, 111806, 120560, 167709, 180840, 223612, 279515, 335418, 361680, 447224, 559030, 614933, 670836, 838545, 894448, 1118060, 1229866, 1341672, 1677090, 1844799, 2236120, 2459732, 2683344, 3074665, 3354180, 3689598, 4472240, 4919464, 6149330, 6708360, 7379196, 7658711, 9223995, 9838928, 12298660, 13416720, 14758392, 15317422, 18447990, 22976133, 24597320, 29516784, 30634844, 36895980, 38293555, 45952266, 49194640, 61269688, 73791960, 76587110, 84245821, 91904532, 114880665, 122539376, 147583920, 153174220, 168491642, 183809064, 229761330, 252737463, 306348440, 336983284, 367618128, 421229105, 459522660, 505474926, 612696880, 673966568, 842458210, 919045320, 1010949852, 1263687315, 1347933136, 1684916420, 1838090640, 2021899704, 2527374630, 3369832840, 4043799408, 5054749260, 6739665680, 10109498520, 20218997040]

約数ペア:

[(1, 20218997040), (2, 10109498520), (3, 6739665680), (4, 5054749260), (5, 4043799408), (6, 3369832840), (8, 2527374630), (10, 2021899704), (11, 1838090640), (12, 1684916420), (15, 1347933136), (16, 1263687315), (20, 1010949852), (22, 919045320), (24, 842458210), (30, 673966568), (33, 612696880), (40, 505474926), (44, 459522660), (48, 421229105), (55, 367618128), (60, 336983284), (66, 306348440), (80, 252737463), (88, 229761330), (110, 183809064), (120, 168491642), (132, 153174220), (137, 147583920), (165, 122539376), (176, 114880665), (220, 91904532), (240, 84245821), (264, 76587110), (274, 73791960), (330, 61269688), (411, 49194640), (440, 45952266), (528, 38293555), (548, 36895980), (660, 30634844), (685, 29516784), (822, 24597320), (880, 22976133), (1096, 18447990), (1320, 15317422), (1370, 14758392), (1507, 13416720), (1644, 12298660), (2055, 9838928), (2192, 9223995), (2640, 7658711), (2740, 7379196), (3014, 6708360), (3288, 6149330), (4110, 4919464), (4521, 4472240), (5480, 3689598), (6028, 3354180), (6576, 3074665), (7535, 2683344), (8220, 2459732), (9042, 2236120), (10960, 1844799), (12056, 1677090), (15070, 1341672), (16440, 1229866), (18084, 1118060), (22605, 894448), (24112, 838545), (30140, 670836), (32880, 614933), (36168, 559030), (45210, 447224), (55903, 361680), (60280, 335418), (72336, 279515), (90420, 223612), (111806, 180840), (120560, 167709)]