20194952260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{220903}}^1$

素因数の和:221572

約数の個数: 48

約数和(自身を含む): 48542328576

約数和(自身を除く): 28347376316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 653, 1306, 2612, 3265, 4571, 6530, 9142, 13060, 18284, 22855, 45710, 91420, 220903, 441806, 883612, 1104515, 1546321, 2209030, 3092642, 4418060, 6185284, 7731605, 15463210, 30926420, 144249659, 288499318, 576998636, 721248295, 1009747613, 1442496590, 2019495226, 2884993180, 4038990452, 5048738065, 10097476130, 20194952260]

約数ペア:

[(1, 20194952260), (2, 10097476130), (4, 5048738065), (5, 4038990452), (7, 2884993180), (10, 2019495226), (14, 1442496590), (20, 1009747613), (28, 721248295), (35, 576998636), (70, 288499318), (140, 144249659), (653, 30926420), (1306, 15463210), (2612, 7731605), (3265, 6185284), (4571, 4418060), (6530, 3092642), (9142, 2209030), (13060, 1546321), (18284, 1104515), (22855, 883612), (45710, 441806), (91420, 220903)]