20291430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{367}}^1$

素因数の和:493

約数の個数: 64

約数和(自身を含む): 51932160

約数和(自身を除く): 31640730

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 97, 114, 190, 194, 285, 291, 367, 485, 570, 582, 734, 970, 1101, 1455, 1835, 1843, 2202, 2910, 3670, 3686, 5505, 5529, 6973, 9215, 11010, 11058, 13946, 18430, 20919, 27645, 34865, 35599, 41838, 55290, 69730, 71198, 104595, 106797, 177995, 209190, 213594, 355990, 533985, 676381, 1067970, 1352762, 2029143, 3381905, 4058286, 6763810, 10145715, 20291430]

約数ペア:

[(1, 20291430), (2, 10145715), (3, 6763810), (5, 4058286), (6, 3381905), (10, 2029143), (15, 1352762), (19, 1067970), (30, 676381), (38, 533985), (57, 355990), (95, 213594), (97, 209190), (114, 177995), (190, 106797), (194, 104595), (285, 71198), (291, 69730), (367, 55290), (485, 41838), (570, 35599), (582, 34865), (734, 27645), (970, 20919), (1101, 18430), (1455, 13946), (1835, 11058), (1843, 11010), (2202, 9215), (2910, 6973), (3670, 5529), (3686, 5505)]