20259780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1$

素因数の和:365

約数の個数: 96

約数和(自身を含む): 60528384

約数和(自身を除く): 40268604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 53, 60, 69, 92, 106, 115, 138, 159, 212, 230, 265, 276, 277, 318, 345, 460, 530, 554, 636, 690, 795, 831, 1060, 1108, 1219, 1380, 1385, 1590, 1662, 2438, 2770, 3180, 3324, 3657, 4155, 4876, 5540, 6095, 6371, 7314, 8310, 12190, 12742, 14628, 14681, 16620, 18285, 19113, 24380, 25484, 29362, 31855, 36570, 38226, 44043, 58724, 63710, 73140, 73405, 76452, 88086, 95565, 127420, 146810, 176172, 191130, 220215, 293620, 337663, 382260, 440430, 675326, 880860, 1012989, 1350652, 1688315, 2025978, 3376630, 4051956, 5064945, 6753260, 10129890, 20259780]

約数ペア:

[(1, 20259780), (2, 10129890), (3, 6753260), (4, 5064945), (5, 4051956), (6, 3376630), (10, 2025978), (12, 1688315), (15, 1350652), (20, 1012989), (23, 880860), (30, 675326), (46, 440430), (53, 382260), (60, 337663), (69, 293620), (92, 220215), (106, 191130), (115, 176172), (138, 146810), (159, 127420), (212, 95565), (230, 88086), (265, 76452), (276, 73405), (277, 73140), (318, 63710), (345, 58724), (460, 44043), (530, 38226), (554, 36570), (636, 31855), (690, 29362), (795, 25484), (831, 24380), (1060, 19113), (1108, 18285), (1219, 16620), (1380, 14681), (1385, 14628), (1590, 12742), (1662, 12190), (2438, 8310), (2770, 7314), (3180, 6371), (3324, 6095), (3657, 5540), (4155, 4876)]