20438367032

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1\times {\mathrm{6379}}^1$

素因数の和:6708

約数の個数: 64

約数和(自身を含む): 40928976000

約数和(自身を除く): 20490608968

約数列:

[1, 2, 4, 8, 19, 38, 76, 107, 152, 197, 214, 394, 428, 788, 856, 1576, 2033, 3743, 4066, 6379, 7486, 8132, 12758, 14972, 16264, 21079, 25516, 29944, 42158, 51032, 84316, 121201, 168632, 242402, 400501, 484804, 682553, 801002, 969608, 1256663, 1365106, 1602004, 2513326, 2730212, 3204008, 5026652, 5460424, 10053304, 12968507, 23876597, 25937014, 47753194, 51874028, 95506388, 103748056, 134462941, 191012776, 268925882, 537851764, 1075703528, 2554795879, 5109591758, 10219183516, 20438367032]

約数ペア:

[(1, 20438367032), (2, 10219183516), (4, 5109591758), (8, 2554795879), (19, 1075703528), (38, 537851764), (76, 268925882), (107, 191012776), (152, 134462941), (197, 103748056), (214, 95506388), (394, 51874028), (428, 47753194), (788, 25937014), (856, 23876597), (1576, 12968507), (2033, 10053304), (3743, 5460424), (4066, 5026652), (6379, 3204008), (7486, 2730212), (8132, 2513326), (12758, 1602004), (14972, 1365106), (16264, 1256663), (21079, 969608), (25516, 801002), (29944, 682553), (42158, 484804), (51032, 400501), (84316, 242402), (121201, 168632)]