20275560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3313}}^1$

素因数の和:3347

約数の個数: 96

約数和(自身を含む): 69792840

約数和(自身を除く): 49517280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 3313, 6120, 6626, 9939, 13252, 16565, 19878, 26504, 29817, 33130, 39756, 49695, 56321, 59634, 66260, 79512, 99390, 112642, 119268, 132520, 149085, 168963, 198780, 225284, 238536, 281605, 298170, 337926, 397560, 450568, 506889, 563210, 596340, 675852, 844815, 1013778, 1126420, 1192680, 1351704, 1689630, 2027556, 2252840, 2534445, 3379260, 4055112, 5068890, 6758520, 10137780, 20275560]

約数ペア:

[(1, 20275560), (2, 10137780), (3, 6758520), (4, 5068890), (5, 4055112), (6, 3379260), (8, 2534445), (9, 2252840), (10, 2027556), (12, 1689630), (15, 1351704), (17, 1192680), (18, 1126420), (20, 1013778), (24, 844815), (30, 675852), (34, 596340), (36, 563210), (40, 506889), (45, 450568), (51, 397560), (60, 337926), (68, 298170), (72, 281605), (85, 238536), (90, 225284), (102, 198780), (120, 168963), (136, 149085), (153, 132520), (170, 119268), (180, 112642), (204, 99390), (255, 79512), (306, 66260), (340, 59634), (360, 56321), (408, 49695), (510, 39756), (612, 33130), (680, 29817), (765, 26504), (1020, 19878), (1224, 16565), (1530, 13252), (2040, 9939), (3060, 6626), (3313, 6120)]