20201015900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{3931}}^1$

素因数の和:4084

約数の個数: 144

約数和(自身を含む): 48737297280

約数和(自身を除く): 28536281380

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 59, 65, 67, 100, 118, 130, 134, 236, 260, 268, 295, 325, 335, 590, 650, 670, 767, 871, 1180, 1300, 1340, 1475, 1534, 1675, 1742, 2950, 3068, 3350, 3484, 3835, 3931, 3953, 4355, 5900, 6700, 7670, 7862, 7906, 8710, 15340, 15724, 15812, 17420, 19175, 19655, 19765, 21775, 38350, 39310, 39530, 43550, 51103, 51389, 76700, 78620, 79060, 87100, 98275, 98825, 102206, 102778, 196550, 197650, 204412, 205556, 231929, 255515, 256945, 263377, 393100, 395300, 463858, 511030, 513890, 526754, 927716, 1022060, 1027780, 1053508, 1159645, 1277575, 1284725, 1316885, 2319290, 2555150, 2569450, 2633770, 3015077, 3423901, 4638580, 5110300, 5138900, 5267540, 5798225, 6030154, 6584425, 6847802, 11596450, 12060308, 13168850, 13695604, 15075385, 15539243, 17119505, 23192900, 26337700, 30150770, 31078486, 34239010, 60301540, 62156972, 68478020, 75376925, 77696215, 85597525, 150753850, 155392430, 171195050, 202010159, 301507700, 310784860, 342390100, 388481075, 404020318, 776962150, 808040636, 1010050795, 1553924300, 2020101590, 4040203180, 5050253975, 10100507950, 20201015900]

約数ペア:

[(1, 20201015900), (2, 10100507950), (4, 5050253975), (5, 4040203180), (10, 2020101590), (13, 1553924300), (20, 1010050795), (25, 808040636), (26, 776962150), (50, 404020318), (52, 388481075), (59, 342390100), (65, 310784860), (67, 301507700), (100, 202010159), (118, 171195050), (130, 155392430), (134, 150753850), (236, 85597525), (260, 77696215), (268, 75376925), (295, 68478020), (325, 62156972), (335, 60301540), (590, 34239010), (650, 31078486), (670, 30150770), (767, 26337700), (871, 23192900), (1180, 17119505), (1300, 15539243), (1340, 15075385), (1475, 13695604), (1534, 13168850), (1675, 12060308), (1742, 11596450), (2950, 6847802), (3068, 6584425), (3350, 6030154), (3484, 5798225), (3835, 5267540), (3931, 5138900), (3953, 5110300), (4355, 4638580), (5900, 3423901), (6700, 3015077), (7670, 2633770), (7862, 2569450), (7906, 2555150), (8710, 2319290), (15340, 1316885), (15724, 1284725), (15812, 1277575), (17420, 1159645), (19175, 1053508), (19655, 1027780), (19765, 1022060), (21775, 927716), (38350, 526754), (39310, 513890), (39530, 511030), (43550, 463858), (51103, 395300), (51389, 393100), (76700, 263377), (78620, 256945), (79060, 255515), (87100, 231929), (98275, 205556), (98825, 204412), (102206, 197650), (102778, 196550)]