20056800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:221

約数の個数: 144

約数和(自身を含む): 66839472

約数和(自身を除く): 46782672

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 61, 75, 80, 96, 100, 120, 122, 137, 150, 160, 183, 200, 240, 244, 274, 300, 305, 366, 400, 411, 480, 488, 548, 600, 610, 685, 732, 800, 822, 915, 976, 1096, 1200, 1220, 1370, 1464, 1525, 1644, 1830, 1952, 2055, 2192, 2400, 2440, 2740, 2928, 3050, 3288, 3425, 3660, 4110, 4384, 4575, 4880, 5480, 5856, 6100, 6576, 6850, 7320, 8220, 8357, 9150, 9760, 10275, 10960, 12200, 13152, 13700, 14640, 16440, 16714, 18300, 20550, 21920, 24400, 25071, 27400, 29280, 32880, 33428, 36600, 41100, 41785, 48800, 50142, 54800, 65760, 66856, 73200, 82200, 83570, 100284, 109600, 125355, 133712, 146400, 164400, 167140, 200568, 208925, 250710, 267424, 328800, 334280, 401136, 417850, 501420, 626775, 668560, 802272, 835700, 1002840, 1253550, 1337120, 1671400, 2005680, 2507100, 3342800, 4011360, 5014200, 6685600, 10028400, 20056800]

約数ペア:

[(1, 20056800), (2, 10028400), (3, 6685600), (4, 5014200), (5, 4011360), (6, 3342800), (8, 2507100), (10, 2005680), (12, 1671400), (15, 1337120), (16, 1253550), (20, 1002840), (24, 835700), (25, 802272), (30, 668560), (32, 626775), (40, 501420), (48, 417850), (50, 401136), (60, 334280), (61, 328800), (75, 267424), (80, 250710), (96, 208925), (100, 200568), (120, 167140), (122, 164400), (137, 146400), (150, 133712), (160, 125355), (183, 109600), (200, 100284), (240, 83570), (244, 82200), (274, 73200), (300, 66856), (305, 65760), (366, 54800), (400, 50142), (411, 48800), (480, 41785), (488, 41100), (548, 36600), (600, 33428), (610, 32880), (685, 29280), (732, 27400), (800, 25071), (822, 24400), (915, 21920), (976, 20550), (1096, 18300), (1200, 16714), (1220, 16440), (1370, 14640), (1464, 13700), (1525, 13152), (1644, 12200), (1830, 10960), (1952, 10275), (2055, 9760), (2192, 9150), (2400, 8357), (2440, 8220), (2740, 7320), (2928, 6850), (3050, 6576), (3288, 6100), (3425, 5856), (3660, 5480), (4110, 4880), (4384, 4575)]