20876304872

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{599}}^1\times {\mathrm{6197}}^1$

素因数の和:6858

約数の個数: 64

約数和(自身を含む): 42394320000

約数和(自身を除く): 21518015128

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 599, 703, 1198, 1406, 2396, 2812, 4792, 5624, 6197, 11381, 12394, 22163, 22762, 24788, 44326, 45524, 49576, 88652, 91048, 117743, 177304, 229289, 235486, 421097, 458578, 470972, 842194, 917156, 941944, 1684388, 1834312, 3368776, 3712003, 4356491, 7424006, 8712982, 14848012, 17425964, 29696024, 34851928, 70528057, 137344111, 141056114, 274688222, 282112228, 549376444, 564224456, 1098752888, 2609538109, 5219076218, 10438152436, 20876304872]

約数ペア:

[(1, 20876304872), (2, 10438152436), (4, 5219076218), (8, 2609538109), (19, 1098752888), (37, 564224456), (38, 549376444), (74, 282112228), (76, 274688222), (148, 141056114), (152, 137344111), (296, 70528057), (599, 34851928), (703, 29696024), (1198, 17425964), (1406, 14848012), (2396, 8712982), (2812, 7424006), (4792, 4356491), (5624, 3712003), (6197, 3368776), (11381, 1834312), (12394, 1684388), (22163, 941944), (22762, 917156), (24788, 842194), (44326, 470972), (45524, 458578), (49576, 421097), (88652, 235486), (91048, 229289), (117743, 177304)]