20523369790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{2803}}^1$

素因数の和:3122

約数の個数: 128

約数和(自身を含む): 47503438848

約数和(自身を除く): 26980069058

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 37, 55, 70, 74, 77, 110, 154, 185, 257, 259, 370, 385, 407, 514, 518, 770, 814, 1285, 1295, 1799, 2035, 2570, 2590, 2803, 2827, 2849, 3598, 4070, 5606, 5654, 5698, 8995, 9509, 14015, 14135, 14245, 17990, 19018, 19621, 19789, 28030, 28270, 28490, 30833, 39242, 39578, 47545, 61666, 66563, 95090, 98105, 98945, 103711, 104599, 133126, 154165, 196210, 197890, 207422, 209198, 215831, 308330, 332815, 431662, 518555, 522995, 665630, 720371, 725977, 732193, 1037110, 1045990, 1079155, 1140821, 1440742, 1451954, 1464386, 2158310, 2281642, 3601855, 3629885, 3660965, 5042597, 5704105, 7203710, 7259770, 7321930, 7924081, 7985747, 10085194, 11408210, 15848162, 15971494, 25212985, 26653727, 39620405, 39928735, 50425970, 53307454, 55468567, 79240810, 79857470, 110937134, 133268635, 186576089, 266537270, 277342835, 293190997, 373152178, 554685670, 586381994, 932880445, 1465954985, 1865760890, 2052336979, 2931909970, 4104673958, 10261684895, 20523369790]

約数ペア:

[(1, 20523369790), (2, 10261684895), (5, 4104673958), (7, 2931909970), (10, 2052336979), (11, 1865760890), (14, 1465954985), (22, 932880445), (35, 586381994), (37, 554685670), (55, 373152178), (70, 293190997), (74, 277342835), (77, 266537270), (110, 186576089), (154, 133268635), (185, 110937134), (257, 79857470), (259, 79240810), (370, 55468567), (385, 53307454), (407, 50425970), (514, 39928735), (518, 39620405), (770, 26653727), (814, 25212985), (1285, 15971494), (1295, 15848162), (1799, 11408210), (2035, 10085194), (2570, 7985747), (2590, 7924081), (2803, 7321930), (2827, 7259770), (2849, 7203710), (3598, 5704105), (4070, 5042597), (5606, 3660965), (5654, 3629885), (5698, 3601855), (8995, 2281642), (9509, 2158310), (14015, 1464386), (14135, 1451954), (14245, 1440742), (17990, 1140821), (19018, 1079155), (19621, 1045990), (19789, 1037110), (28030, 732193), (28270, 725977), (28490, 720371), (30833, 665630), (39242, 522995), (39578, 518555), (47545, 431662), (61666, 332815), (66563, 308330), (95090, 215831), (98105, 209198), (98945, 207422), (103711, 197890), (104599, 196210), (133126, 154165)]