20496690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4297}}^1$

素因数の和:4363

約数の個数: 48

約数和(自身を含む): 54309528

約数和(自身を除く): 33812838

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, 4297, 4770, 8594, 12891, 21485, 25782, 38673, 42970, 64455, 77346, 128910, 193365, 227741, 386730, 455482, 683223, 1138705, 1366446, 2049669, 2277410, 3416115, 4099338, 6832230, 10248345, 20496690]

約数ペア:

[(1, 20496690), (2, 10248345), (3, 6832230), (5, 4099338), (6, 3416115), (9, 2277410), (10, 2049669), (15, 1366446), (18, 1138705), (30, 683223), (45, 455482), (53, 386730), (90, 227741), (106, 193365), (159, 128910), (265, 77346), (318, 64455), (477, 42970), (530, 38673), (795, 25782), (954, 21485), (1590, 12891), (2385, 8594), (4297, 4770)]