20870340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6563}}^1$

素因数の和:6628

約数の個数: 48

約数和(自身を含む): 59548608

約数和(自身を除く): 38678268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 6563, 13126, 19689, 26252, 32815, 39378, 65630, 78756, 98445, 131260, 196890, 347839, 393780, 695678, 1043517, 1391356, 1739195, 2087034, 3478390, 4174068, 5217585, 6956780, 10435170, 20870340]

約数ペア:

[(1, 20870340), (2, 10435170), (3, 6956780), (4, 5217585), (5, 4174068), (6, 3478390), (10, 2087034), (12, 1739195), (15, 1391356), (20, 1043517), (30, 695678), (53, 393780), (60, 347839), (106, 196890), (159, 131260), (212, 98445), (265, 78756), (318, 65630), (530, 39378), (636, 32815), (795, 26252), (1060, 19689), (1590, 13126), (3180, 6563)]