20756382080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107747}}^1$

素因数の和:107816

約数の個数: 128

約数和(自身を含む): 58028762880

約数和(自身を除く): 37272380800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 64, 70, 80, 86, 112, 128, 140, 160, 172, 215, 224, 280, 301, 320, 344, 430, 448, 560, 602, 640, 688, 860, 896, 1120, 1204, 1376, 1505, 1720, 2240, 2408, 2752, 3010, 3440, 4480, 4816, 5504, 6020, 6880, 9632, 12040, 13760, 19264, 24080, 27520, 38528, 48160, 96320, 107747, 192640, 215494, 430988, 538735, 754229, 861976, 1077470, 1508458, 1723952, 2154940, 3016916, 3447904, 3771145, 4309880, 4633121, 6033832, 6895808, 7542290, 8619760, 9266242, 12067664, 13791616, 15084580, 17239520, 18532484, 23165605, 24135328, 30169160, 32431847, 34479040, 37064968, 46331210, 48270656, 60338320, 64863694, 68958080, 74129936, 92662420, 96541312, 120676640, 129727388, 148259872, 162159235, 185324840, 241353280, 259454776, 296519744, 324318470, 370649680, 482706560, 518909552, 593039488, 648636940, 741299360, 1037819104, 1297273880, 1482598720, 2075638208, 2594547760, 2965197440, 4151276416, 5189095520, 10378191040, 20756382080]

約数ペア:

[(1, 20756382080), (2, 10378191040), (4, 5189095520), (5, 4151276416), (7, 2965197440), (8, 2594547760), (10, 2075638208), (14, 1482598720), (16, 1297273880), (20, 1037819104), (28, 741299360), (32, 648636940), (35, 593039488), (40, 518909552), (43, 482706560), (56, 370649680), (64, 324318470), (70, 296519744), (80, 259454776), (86, 241353280), (112, 185324840), (128, 162159235), (140, 148259872), (160, 129727388), (172, 120676640), (215, 96541312), (224, 92662420), (280, 74129936), (301, 68958080), (320, 64863694), (344, 60338320), (430, 48270656), (448, 46331210), (560, 37064968), (602, 34479040), (640, 32431847), (688, 30169160), (860, 24135328), (896, 23165605), (1120, 18532484), (1204, 17239520), (1376, 15084580), (1505, 13791616), (1720, 12067664), (2240, 9266242), (2408, 8619760), (2752, 7542290), (3010, 6895808), (3440, 6033832), (4480, 4633121), (4816, 4309880), (5504, 3771145), (6020, 3447904), (6880, 3016916), (9632, 2154940), (12040, 1723952), (13760, 1508458), (19264, 1077470), (24080, 861976), (27520, 754229), (38528, 538735), (48160, 430988), (96320, 215494), (107747, 192640)]