20165400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{659}}^1$

素因数の和:698

約数の個数: 144

約数和(自身を含む): 71814600

約数和(自身を除く): 51649200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 25, 30, 34, 36, 40, 45, 50, 51, 60, 68, 72, 75, 85, 90, 100, 102, 120, 136, 150, 153, 170, 180, 200, 204, 225, 255, 300, 306, 340, 360, 408, 425, 450, 510, 600, 612, 659, 680, 765, 850, 900, 1020, 1224, 1275, 1318, 1530, 1700, 1800, 1977, 2040, 2550, 2636, 3060, 3295, 3400, 3825, 3954, 5100, 5272, 5931, 6120, 6590, 7650, 7908, 9885, 10200, 11203, 11862, 13180, 15300, 15816, 16475, 19770, 22406, 23724, 26360, 29655, 30600, 32950, 33609, 39540, 44812, 47448, 49425, 56015, 59310, 65900, 67218, 79080, 89624, 98850, 100827, 112030, 118620, 131800, 134436, 148275, 168045, 197700, 201654, 224060, 237240, 268872, 280075, 296550, 336090, 395400, 403308, 448120, 504135, 560150, 593100, 672180, 806616, 840225, 1008270, 1120300, 1186200, 1344360, 1680450, 2016540, 2240600, 2520675, 3360900, 4033080, 5041350, 6721800, 10082700, 20165400]

約数ペア:

[(1, 20165400), (2, 10082700), (3, 6721800), (4, 5041350), (5, 4033080), (6, 3360900), (8, 2520675), (9, 2240600), (10, 2016540), (12, 1680450), (15, 1344360), (17, 1186200), (18, 1120300), (20, 1008270), (24, 840225), (25, 806616), (30, 672180), (34, 593100), (36, 560150), (40, 504135), (45, 448120), (50, 403308), (51, 395400), (60, 336090), (68, 296550), (72, 280075), (75, 268872), (85, 237240), (90, 224060), (100, 201654), (102, 197700), (120, 168045), (136, 148275), (150, 134436), (153, 131800), (170, 118620), (180, 112030), (200, 100827), (204, 98850), (225, 89624), (255, 79080), (300, 67218), (306, 65900), (340, 59310), (360, 56015), (408, 49425), (425, 47448), (450, 44812), (510, 39540), (600, 33609), (612, 32950), (659, 30600), (680, 29655), (765, 26360), (850, 23724), (900, 22406), (1020, 19770), (1224, 16475), (1275, 15816), (1318, 15300), (1530, 13180), (1700, 11862), (1800, 11203), (1977, 10200), (2040, 9885), (2550, 7908), (2636, 7650), (3060, 6590), (3295, 6120), (3400, 5931), (3825, 5272), (3954, 5100)]