20889859144

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{14207}}^1$

素因数の和:14280

約数の個数: 144

約数和(自身を含む): 51701207040

約数和(自身を除く): 30811347896

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 49, 56, 62, 77, 88, 98, 121, 124, 154, 196, 217, 242, 248, 308, 341, 392, 434, 484, 539, 616, 682, 847, 868, 968, 1078, 1364, 1519, 1694, 1736, 2156, 2387, 2728, 3038, 3388, 3751, 4312, 4774, 5929, 6076, 6776, 7502, 9548, 11858, 12152, 14207, 15004, 16709, 19096, 23716, 26257, 28414, 30008, 33418, 47432, 52514, 56828, 66836, 99449, 105028, 113656, 133672, 156277, 183799, 198898, 210056, 312554, 367598, 397796, 440417, 625108, 696143, 735196, 795592, 880834, 1093939, 1250216, 1392286, 1470392, 1719047, 1761668, 2187878, 2784572, 3082919, 3438094, 3523336, 4375756, 4844587, 5569144, 6165838, 6876188, 7657573, 8751512, 9689174, 12033329, 12331676, 13752376, 15315146, 19378348, 21580433, 24066658, 24663352, 30630292, 33912109, 38756696, 43160866, 48133316, 53290457, 61260584, 67824218, 84233303, 86321732, 96266632, 106580914, 135648436, 168466606, 172643464, 213161828, 237384763, 271296872, 336933212, 373033199, 426323656, 474769526, 673866424, 746066398, 949539052, 1492132796, 1899078104, 2611232393, 2984265592, 5222464786, 10444929572, 20889859144]

約数ペア:

[(1, 20889859144), (2, 10444929572), (4, 5222464786), (7, 2984265592), (8, 2611232393), (11, 1899078104), (14, 1492132796), (22, 949539052), (28, 746066398), (31, 673866424), (44, 474769526), (49, 426323656), (56, 373033199), (62, 336933212), (77, 271296872), (88, 237384763), (98, 213161828), (121, 172643464), (124, 168466606), (154, 135648436), (196, 106580914), (217, 96266632), (242, 86321732), (248, 84233303), (308, 67824218), (341, 61260584), (392, 53290457), (434, 48133316), (484, 43160866), (539, 38756696), (616, 33912109), (682, 30630292), (847, 24663352), (868, 24066658), (968, 21580433), (1078, 19378348), (1364, 15315146), (1519, 13752376), (1694, 12331676), (1736, 12033329), (2156, 9689174), (2387, 8751512), (2728, 7657573), (3038, 6876188), (3388, 6165838), (3751, 5569144), (4312, 4844587), (4774, 4375756), (5929, 3523336), (6076, 3438094), (6776, 3082919), (7502, 2784572), (9548, 2187878), (11858, 1761668), (12152, 1719047), (14207, 1470392), (15004, 1392286), (16709, 1250216), (19096, 1093939), (23716, 880834), (26257, 795592), (28414, 735196), (30008, 696143), (33418, 625108), (47432, 440417), (52514, 397796), (56828, 367598), (66836, 312554), (99449, 210056), (105028, 198898), (113656, 183799), (133672, 156277)]