20000779700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{24671}}^1$

素因数の和:24774

約数の個数: 108

約数和(自身を含む): 48419984256

約数和(自身を除く): 28419204556

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 67, 100, 110, 121, 134, 220, 242, 268, 275, 335, 484, 550, 605, 670, 737, 1100, 1210, 1340, 1474, 1675, 2420, 2948, 3025, 3350, 3685, 6050, 6700, 7370, 8107, 12100, 14740, 16214, 18425, 24671, 32428, 36850, 40535, 49342, 73700, 81070, 98684, 123355, 162140, 202675, 246710, 271381, 405350, 493420, 542762, 616775, 810700, 1085524, 1233550, 1356905, 1652957, 2467100, 2713810, 2985191, 3305914, 5427620, 5970382, 6611828, 6784525, 8264785, 11940764, 13569050, 14925955, 16529570, 18182527, 27138100, 29851910, 33059140, 36365054, 41323925, 59703820, 72730108, 74629775, 82647850, 90912635, 149259550, 165295700, 181825270, 200007797, 298519100, 363650540, 400015594, 454563175, 800031188, 909126350, 1000038985, 1818252700, 2000077970, 4000155940, 5000194925, 10000389850, 20000779700]

約数ペア:

[(1, 20000779700), (2, 10000389850), (4, 5000194925), (5, 4000155940), (10, 2000077970), (11, 1818252700), (20, 1000038985), (22, 909126350), (25, 800031188), (44, 454563175), (50, 400015594), (55, 363650540), (67, 298519100), (100, 200007797), (110, 181825270), (121, 165295700), (134, 149259550), (220, 90912635), (242, 82647850), (268, 74629775), (275, 72730108), (335, 59703820), (484, 41323925), (550, 36365054), (605, 33059140), (670, 29851910), (737, 27138100), (1100, 18182527), (1210, 16529570), (1340, 14925955), (1474, 13569050), (1675, 11940764), (2420, 8264785), (2948, 6784525), (3025, 6611828), (3350, 5970382), (3685, 5427620), (6050, 3305914), (6700, 2985191), (7370, 2713810), (8107, 2467100), (12100, 1652957), (14740, 1356905), (16214, 1233550), (18425, 1085524), (24671, 810700), (32428, 616775), (36850, 542762), (40535, 493420), (49342, 405350), (73700, 271381), (81070, 246710), (98684, 202675), (123355, 162140)]