20389200

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1307}}^1$

素因数の和:1341

約数の個数: 120

約数和(自身を含む): 70391328

約数和(自身を除く): 50002128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 100, 104, 120, 130, 150, 156, 195, 200, 208, 240, 260, 300, 312, 325, 390, 400, 520, 600, 624, 650, 780, 975, 1040, 1200, 1300, 1307, 1560, 1950, 2600, 2614, 3120, 3900, 3921, 5200, 5228, 6535, 7800, 7842, 10456, 13070, 15600, 15684, 16991, 19605, 20912, 26140, 31368, 32675, 33982, 39210, 50973, 52280, 62736, 65350, 67964, 78420, 84955, 98025, 101946, 104560, 130700, 135928, 156840, 169910, 196050, 203892, 254865, 261400, 271856, 313680, 339820, 392100, 407784, 424775, 509730, 522800, 679640, 784200, 815568, 849550, 1019460, 1274325, 1359280, 1568400, 1699100, 2038920, 2548650, 3398200, 4077840, 5097300, 6796400, 10194600, 20389200]

約数ペア:

[(1, 20389200), (2, 10194600), (3, 6796400), (4, 5097300), (5, 4077840), (6, 3398200), (8, 2548650), (10, 2038920), (12, 1699100), (13, 1568400), (15, 1359280), (16, 1274325), (20, 1019460), (24, 849550), (25, 815568), (26, 784200), (30, 679640), (39, 522800), (40, 509730), (48, 424775), (50, 407784), (52, 392100), (60, 339820), (65, 313680), (75, 271856), (78, 261400), (80, 254865), (100, 203892), (104, 196050), (120, 169910), (130, 156840), (150, 135928), (156, 130700), (195, 104560), (200, 101946), (208, 98025), (240, 84955), (260, 78420), (300, 67964), (312, 65350), (325, 62736), (390, 52280), (400, 50973), (520, 39210), (600, 33982), (624, 32675), (650, 31368), (780, 26140), (975, 20912), (1040, 19605), (1200, 16991), (1300, 15684), (1307, 15600), (1560, 13070), (1950, 10456), (2600, 7842), (2614, 7800), (3120, 6535), (3900, 5228), (3921, 5200)]