20973690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4397}}^1$

素因数の和:4463

約数の個数: 48

約数和(自身を含む): 55573128

約数和(自身を除く): 34599438

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 53, 90, 106, 159, 265, 318, 477, 530, 795, 954, 1590, 2385, 4397, 4770, 8794, 13191, 21985, 26382, 39573, 43970, 65955, 79146, 131910, 197865, 233041, 395730, 466082, 699123, 1165205, 1398246, 2097369, 2330410, 3495615, 4194738, 6991230, 10486845, 20973690]

約数ペア:

[(1, 20973690), (2, 10486845), (3, 6991230), (5, 4194738), (6, 3495615), (9, 2330410), (10, 2097369), (15, 1398246), (18, 1165205), (30, 699123), (45, 466082), (53, 395730), (90, 233041), (106, 197865), (159, 131910), (265, 79146), (318, 65955), (477, 43970), (530, 39573), (795, 26382), (954, 21985), (1590, 13191), (2385, 8794), (4397, 4770)]