20651568

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{61463}}^1$

素因数の和:61481

約数の個数: 40

約数和(自身を含む): 60972288

約数和(自身を除く): 40320720

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 61463, 122926, 184389, 245852, 368778, 430241, 491704, 737556, 860482, 983408, 1290723, 1475112, 1720964, 2581446, 2950224, 3441928, 5162892, 6883856, 10325784, 20651568]

約数ペア:

[(1, 20651568), (2, 10325784), (3, 6883856), (4, 5162892), (6, 3441928), (7, 2950224), (8, 2581446), (12, 1720964), (14, 1475112), (16, 1290723), (21, 983408), (24, 860482), (28, 737556), (42, 491704), (48, 430241), (56, 368778), (84, 245852), (112, 184389), (168, 122926), (336, 61463)]