20885514135

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{2207}}^1$

素因数の和:2345

約数の個数: 96

約数和(自身を含む): 37092280320

約数和(自身を除く): 16206766185

約数列:

[1, 3, 5, 15, 17, 37, 51, 59, 85, 111, 177, 185, 255, 289, 295, 555, 629, 867, 885, 1003, 1445, 1887, 2183, 2207, 3009, 3145, 4335, 5015, 6549, 6621, 9435, 10693, 10915, 11035, 15045, 17051, 32079, 32745, 33105, 37111, 37519, 51153, 53465, 81659, 85255, 111333, 112557, 130213, 160395, 185555, 187595, 244977, 255765, 390639, 408295, 556665, 562785, 630887, 637823, 651065, 1224885, 1388203, 1892661, 1913469, 1953195, 2213621, 3154435, 3189115, 4164609, 4817881, 6640863, 6941015, 9463305, 9567345, 11068105, 14453643, 20823045, 23599451, 24089405, 33204315, 37631557, 70798353, 72268215, 81903977, 112894671, 117997255, 188157785, 245711931, 353991765, 409519885, 564473355, 1228559655, 1392367609, 4177102827, 6961838045, 20885514135]

約数ペア:

[(1, 20885514135), (3, 6961838045), (5, 4177102827), (15, 1392367609), (17, 1228559655), (37, 564473355), (51, 409519885), (59, 353991765), (85, 245711931), (111, 188157785), (177, 117997255), (185, 112894671), (255, 81903977), (289, 72268215), (295, 70798353), (555, 37631557), (629, 33204315), (867, 24089405), (885, 23599451), (1003, 20823045), (1445, 14453643), (1887, 11068105), (2183, 9567345), (2207, 9463305), (3009, 6941015), (3145, 6640863), (4335, 4817881), (5015, 4164609), (6549, 3189115), (6621, 3154435), (9435, 2213621), (10693, 1953195), (10915, 1913469), (11035, 1892661), (15045, 1388203), (17051, 1224885), (32079, 651065), (32745, 637823), (33105, 630887), (37111, 562785), (37519, 556665), (51153, 408295), (53465, 390639), (81659, 255765), (85255, 244977), (111333, 187595), (112557, 185555), (130213, 160395)]