20697030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4339}}^1$

素因数の和:4405

約数の個数: 48

約数和(自身を含む): 54840240

約数和(自身を除く): 34143210

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, 4339, 4770, 8678, 13017, 21695, 26034, 39051, 43390, 65085, 78102, 130170, 195255, 229967, 390510, 459934, 689901, 1149835, 1379802, 2069703, 2299670, 3449505, 4139406, 6899010, 10348515, 20697030]

約数ペア:

[(1, 20697030), (2, 10348515), (3, 6899010), (5, 4139406), (6, 3449505), (9, 2299670), (10, 2069703), (15, 1379802), (18, 1149835), (30, 689901), (45, 459934), (53, 390510), (90, 229967), (106, 195255), (159, 130170), (265, 78102), (318, 65085), (477, 43390), (530, 39051), (795, 26034), (954, 21695), (1590, 13017), (2385, 8678), (4339, 4770)]