20769931396

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{1117}}^1$

素因数の和:1401

約数の個数: 72

約数和(自身を含む): 39119982720

約数和(自身を除く): 18350051324

約数列:

[1, 2, 4, 19, 38, 76, 79, 158, 163, 316, 326, 361, 652, 722, 1117, 1444, 1501, 2234, 3002, 3097, 4468, 6004, 6194, 12388, 12877, 21223, 25754, 28519, 42446, 51508, 57038, 58843, 84892, 88243, 114076, 117686, 176486, 182071, 235372, 244663, 352972, 364142, 403237, 489326, 728284, 806474, 978652, 1612948, 1676617, 3353234, 3459349, 4648597, 6706468, 6918698, 9297194, 13837396, 14383609, 18594388, 28767218, 31855723, 57534436, 63711446, 65727631, 127422892, 131455262, 262910524, 273288571, 546577142, 1093154284, 5192482849, 10384965698, 20769931396]

約数ペア:

[(1, 20769931396), (2, 10384965698), (4, 5192482849), (19, 1093154284), (38, 546577142), (76, 273288571), (79, 262910524), (158, 131455262), (163, 127422892), (316, 65727631), (326, 63711446), (361, 57534436), (652, 31855723), (722, 28767218), (1117, 18594388), (1444, 14383609), (1501, 13837396), (2234, 9297194), (3002, 6918698), (3097, 6706468), (4468, 4648597), (6004, 3459349), (6194, 3353234), (12388, 1676617), (12877, 1612948), (21223, 978652), (25754, 806474), (28519, 728284), (42446, 489326), (51508, 403237), (57038, 364142), (58843, 352972), (84892, 244663), (88243, 235372), (114076, 182071), (117686, 176486)]