20921837266

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{619}}^1\times {\mathrm{12697}}^1$

素因数の和:13351

約数の個数: 32

約数和(自身を含む): 34577161920

約数和(自身を除く): 13655324654

約数列:

[1, 2, 11, 22, 121, 242, 619, 1238, 1331, 2662, 6809, 12697, 13618, 25394, 74899, 139667, 149798, 279334, 823889, 1536337, 1647778, 3072674, 7859443, 15718886, 16899707, 33799414, 86453873, 172907746, 950992603, 1901985206, 10460918633, 20921837266]

約数ペア:

[(1, 20921837266), (2, 10460918633), (11, 1901985206), (22, 950992603), (121, 172907746), (242, 86453873), (619, 33799414), (1238, 16899707), (1331, 15718886), (2662, 7859443), (6809, 3072674), (12697, 1647778), (13618, 1536337), (25394, 823889), (74899, 279334), (139667, 149798)]