20403900324

素因数分解:

$2^2\times 3^5\times {\mathrm{2803}}^1\times {\mathrm{7489}}^1$

素因数の和:10311

約数の個数: 72

約数和(自身を含む): 53512994080

約数和(自身を除く): 33109093756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 2803, 5606, 7489, 8409, 11212, 14978, 16818, 22467, 25227, 29956, 33636, 44934, 50454, 67401, 75681, 89868, 100908, 134802, 151362, 202203, 227043, 269604, 302724, 404406, 454086, 606609, 681129, 808812, 908172, 1213218, 1362258, 1819827, 2426436, 2724516, 3639654, 7279308, 20991667, 41983334, 62975001, 83966668, 125950002, 188925003, 251900004, 377850006, 566775009, 755700012, 1133550018, 1700325027, 2267100036, 3400650054, 5100975081, 6801300108, 10201950162, 20403900324]

約数ペア:

[(1, 20403900324), (2, 10201950162), (3, 6801300108), (4, 5100975081), (6, 3400650054), (9, 2267100036), (12, 1700325027), (18, 1133550018), (27, 755700012), (36, 566775009), (54, 377850006), (81, 251900004), (108, 188925003), (162, 125950002), (243, 83966668), (324, 62975001), (486, 41983334), (972, 20991667), (2803, 7279308), (5606, 3639654), (7489, 2724516), (8409, 2426436), (11212, 1819827), (14978, 1362258), (16818, 1213218), (22467, 908172), (25227, 808812), (29956, 681129), (33636, 606609), (44934, 454086), (50454, 404406), (67401, 302724), (75681, 269604), (89868, 227043), (100908, 202203), (134802, 151362)]