20220881120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{151}}^1\times {\mathrm{6917}}^1$

素因数の和:7105

約数の個数: 144

約数和(自身を含む): 52864920864

約数和(自身を除く): 32644039744

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 151, 160, 176, 220, 242, 302, 352, 440, 484, 604, 605, 755, 880, 968, 1208, 1210, 1510, 1661, 1760, 1936, 2416, 2420, 3020, 3322, 3872, 4832, 4840, 6040, 6644, 6917, 8305, 9680, 12080, 13288, 13834, 16610, 18271, 19360, 24160, 26576, 27668, 33220, 34585, 36542, 53152, 55336, 66440, 69170, 73084, 76087, 91355, 110672, 132880, 138340, 146168, 152174, 182710, 221344, 265760, 276680, 292336, 304348, 365420, 380435, 553360, 584672, 608696, 730840, 760870, 836957, 1044467, 1106720, 1217392, 1461680, 1521740, 1673914, 2088934, 2434784, 2923360, 3043480, 3347828, 4177868, 4184785, 5222335, 6086960, 6695656, 8355736, 8369570, 10444670, 11489137, 12173920, 13391312, 16711472, 16739140, 20889340, 22978274, 26782624, 33422944, 33478280, 41778680, 45956548, 57445685, 66956560, 83557360, 91913096, 114891370, 126380507, 133913120, 167114720, 183826192, 229782740, 252761014, 367652384, 459565480, 505522028, 631902535, 919130960, 1011044056, 1263805070, 1838261920, 2022088112, 2527610140, 4044176224, 5055220280, 10110440560, 20220881120]

約数ペア:

[(1, 20220881120), (2, 10110440560), (4, 5055220280), (5, 4044176224), (8, 2527610140), (10, 2022088112), (11, 1838261920), (16, 1263805070), (20, 1011044056), (22, 919130960), (32, 631902535), (40, 505522028), (44, 459565480), (55, 367652384), (80, 252761014), (88, 229782740), (110, 183826192), (121, 167114720), (151, 133913120), (160, 126380507), (176, 114891370), (220, 91913096), (242, 83557360), (302, 66956560), (352, 57445685), (440, 45956548), (484, 41778680), (604, 33478280), (605, 33422944), (755, 26782624), (880, 22978274), (968, 20889340), (1208, 16739140), (1210, 16711472), (1510, 13391312), (1661, 12173920), (1760, 11489137), (1936, 10444670), (2416, 8369570), (2420, 8355736), (3020, 6695656), (3322, 6086960), (3872, 5222335), (4832, 4184785), (4840, 4177868), (6040, 3347828), (6644, 3043480), (6917, 2923360), (8305, 2434784), (9680, 2088934), (12080, 1673914), (13288, 1521740), (13834, 1461680), (16610, 1217392), (18271, 1106720), (19360, 1044467), (24160, 836957), (26576, 760870), (27668, 730840), (33220, 608696), (34585, 584672), (36542, 553360), (53152, 380435), (55336, 365420), (66440, 304348), (69170, 292336), (73084, 276680), (76087, 265760), (91355, 221344), (110672, 182710), (132880, 152174), (138340, 146168)]