20814690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^2$

素因数の和:148

約数の個数: 96

約数和(自身を含む): 57718080

約数和(自身を除く): 36903390

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 53, 57, 65, 78, 95, 106, 114, 130, 159, 190, 195, 247, 265, 285, 318, 390, 494, 530, 570, 689, 741, 795, 1007, 1235, 1378, 1482, 1590, 2014, 2067, 2470, 2809, 3021, 3445, 3705, 4134, 5035, 5618, 6042, 6890, 7410, 8427, 10070, 10335, 13091, 14045, 15105, 16854, 20670, 26182, 28090, 30210, 36517, 39273, 42135, 53371, 65455, 73034, 78546, 84270, 106742, 109551, 130910, 160113, 182585, 196365, 219102, 266855, 320226, 365170, 392730, 533710, 547755, 693823, 800565, 1095510, 1387646, 1601130, 2081469, 3469115, 4162938, 6938230, 10407345, 20814690]

約数ペア:

[(1, 20814690), (2, 10407345), (3, 6938230), (5, 4162938), (6, 3469115), (10, 2081469), (13, 1601130), (15, 1387646), (19, 1095510), (26, 800565), (30, 693823), (38, 547755), (39, 533710), (53, 392730), (57, 365170), (65, 320226), (78, 266855), (95, 219102), (106, 196365), (114, 182585), (130, 160113), (159, 130910), (190, 109551), (195, 106742), (247, 84270), (265, 78546), (285, 73034), (318, 65455), (390, 53371), (494, 42135), (530, 39273), (570, 36517), (689, 30210), (741, 28090), (795, 26182), (1007, 20670), (1235, 16854), (1378, 15105), (1482, 14045), (1590, 13091), (2014, 10335), (2067, 10070), (2470, 8427), (2809, 7410), (3021, 6890), (3445, 6042), (3705, 5618), (4134, 5035)]