20123648

素因数分解:

$2^{12}\times {\mathrm{17}}^3$

素因数の和:75

約数の個数: 52

約数和(自身を含む): 42757020

約数和(自身を除く): 22633372

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 289, 512, 544, 578, 1024, 1088, 1156, 2048, 2176, 2312, 4096, 4352, 4624, 4913, 8704, 9248, 9826, 17408, 18496, 19652, 34816, 36992, 39304, 69632, 73984, 78608, 147968, 157216, 295936, 314432, 591872, 628864, 1183744, 1257728, 2515456, 5030912, 10061824, 20123648]

約数ペア:

[(1, 20123648), (2, 10061824), (4, 5030912), (8, 2515456), (16, 1257728), (17, 1183744), (32, 628864), (34, 591872), (64, 314432), (68, 295936), (128, 157216), (136, 147968), (256, 78608), (272, 73984), (289, 69632), (512, 39304), (544, 36992), (578, 34816), (1024, 19652), (1088, 18496), (1156, 17408), (2048, 9826), (2176, 9248), (2312, 8704), (4096, 4913), (4352, 4624)]