20163930860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{419}}^1\times {\mathrm{2399}}^1$

素因数の和:2903

約数の個数: 96

約数和(自身を含む): 45722880000

約数和(自身を除く): 25558949140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 59, 68, 85, 118, 170, 236, 295, 340, 419, 590, 838, 1003, 1180, 1676, 2006, 2095, 2399, 4012, 4190, 4798, 5015, 7123, 8380, 9596, 10030, 11995, 14246, 20060, 23990, 24721, 28492, 35615, 40783, 47980, 49442, 71230, 81566, 98884, 123605, 141541, 142460, 163132, 203915, 247210, 283082, 407830, 420257, 494420, 566164, 707705, 815660, 840514, 1005181, 1415410, 1681028, 2010362, 2101285, 2406197, 2830820, 4020724, 4202570, 4812394, 5025905, 8405140, 9624788, 10051810, 12030985, 17088077, 20103620, 24061970, 34176154, 48123940, 59305679, 68352308, 85440385, 118611358, 170880770, 237222716, 296528395, 341761540, 593056790, 1008196543, 1186113580, 2016393086, 4032786172, 5040982715, 10081965430, 20163930860]

約数ペア:

[(1, 20163930860), (2, 10081965430), (4, 5040982715), (5, 4032786172), (10, 2016393086), (17, 1186113580), (20, 1008196543), (34, 593056790), (59, 341761540), (68, 296528395), (85, 237222716), (118, 170880770), (170, 118611358), (236, 85440385), (295, 68352308), (340, 59305679), (419, 48123940), (590, 34176154), (838, 24061970), (1003, 20103620), (1180, 17088077), (1676, 12030985), (2006, 10051810), (2095, 9624788), (2399, 8405140), (4012, 5025905), (4190, 4812394), (4798, 4202570), (5015, 4020724), (7123, 2830820), (8380, 2406197), (9596, 2101285), (10030, 2010362), (11995, 1681028), (14246, 1415410), (20060, 1005181), (23990, 840514), (24721, 815660), (28492, 707705), (35615, 566164), (40783, 494420), (47980, 420257), (49442, 407830), (71230, 283082), (81566, 247210), (98884, 203915), (123605, 163132), (141541, 142460)]