20189917436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{659}}^1\times {\mathrm{1367}}^1$

素因数の和:2474

約数の個数: 48

約数和(自身を含む): 38224327680

約数和(自身を除く): 18034410244

約数列:

[1, 2, 4, 13, 26, 52, 431, 659, 862, 1318, 1367, 1724, 2636, 2734, 5468, 5603, 8567, 11206, 17134, 17771, 22412, 34268, 35542, 71084, 284029, 568058, 589177, 900853, 1136116, 1178354, 1801706, 2356708, 3603412, 3692377, 7384754, 7659301, 11711089, 14769508, 15318602, 23422178, 30637204, 46844356, 388267643, 776535286, 1553070572, 5047479359, 10094958718, 20189917436]

約数ペア:

[(1, 20189917436), (2, 10094958718), (4, 5047479359), (13, 1553070572), (26, 776535286), (52, 388267643), (431, 46844356), (659, 30637204), (862, 23422178), (1318, 15318602), (1367, 14769508), (1724, 11711089), (2636, 7659301), (2734, 7384754), (5468, 3692377), (5603, 3603412), (8567, 2356708), (11206, 1801706), (17134, 1178354), (17771, 1136116), (22412, 900853), (34268, 589177), (35542, 568058), (71084, 284029)]