20956684710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1\times {\mathrm{4073}}^1$

素因数の和:4342

約数の個数: 128

約数和(自身を含む): 55192596480

約数和(自身を除く): 34235911770

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 79, 130, 158, 167, 195, 237, 334, 390, 395, 474, 501, 790, 835, 1002, 1027, 1185, 1670, 2054, 2171, 2370, 2505, 3081, 4073, 4342, 5010, 5135, 6162, 6513, 8146, 10270, 10855, 12219, 13026, 13193, 15405, 20365, 21710, 24438, 26386, 30810, 32565, 39579, 40730, 52949, 61095, 65130, 65965, 79158, 105898, 122190, 131930, 158847, 171509, 197895, 264745, 317694, 321767, 343018, 395790, 514527, 529490, 643534, 680191, 794235, 857545, 965301, 1029054, 1360382, 1588470, 1608835, 1715090, 1930602, 2040573, 2572635, 3217670, 3400955, 4081146, 4182971, 4826505, 5145270, 6801910, 8365942, 8842483, 9653010, 10202865, 12548913, 17684966, 20405730, 20914855, 25097826, 26527449, 41829710, 44212415, 53054898, 53735089, 62744565, 88424830, 107470178, 125489130, 132637245, 161205267, 265274490, 268675445, 322410534, 537350890, 698556157, 806026335, 1397112314, 1612052670, 2095668471, 3492780785, 4191336942, 6985561570, 10478342355, 20956684710]

約数ペア:

[(1, 20956684710), (2, 10478342355), (3, 6985561570), (5, 4191336942), (6, 3492780785), (10, 2095668471), (13, 1612052670), (15, 1397112314), (26, 806026335), (30, 698556157), (39, 537350890), (65, 322410534), (78, 268675445), (79, 265274490), (130, 161205267), (158, 132637245), (167, 125489130), (195, 107470178), (237, 88424830), (334, 62744565), (390, 53735089), (395, 53054898), (474, 44212415), (501, 41829710), (790, 26527449), (835, 25097826), (1002, 20914855), (1027, 20405730), (1185, 17684966), (1670, 12548913), (2054, 10202865), (2171, 9653010), (2370, 8842483), (2505, 8365942), (3081, 6801910), (4073, 5145270), (4342, 4826505), (5010, 4182971), (5135, 4081146), (6162, 3400955), (6513, 3217670), (8146, 2572635), (10270, 2040573), (10855, 1930602), (12219, 1715090), (13026, 1608835), (13193, 1588470), (15405, 1360382), (20365, 1029054), (21710, 965301), (24438, 857545), (26386, 794235), (30810, 680191), (32565, 643534), (39579, 529490), (40730, 514527), (52949, 395790), (61095, 343018), (65130, 321767), (65965, 317694), (79158, 264745), (105898, 197895), (122190, 171509), (131930, 158847)]