20436468

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{487}}^1$

素因数の和:776

約数の個数: 48

約数和(自身を含む): 51649920

約数和(自身を除く): 31213452

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 269, 487, 538, 807, 974, 1076, 1461, 1614, 1948, 2922, 3228, 3497, 5844, 6331, 6994, 10491, 12662, 13988, 18993, 20982, 25324, 37986, 41964, 75972, 131003, 262006, 393009, 524012, 786018, 1572036, 1703039, 3406078, 5109117, 6812156, 10218234, 20436468]

約数ペア:

[(1, 20436468), (2, 10218234), (3, 6812156), (4, 5109117), (6, 3406078), (12, 1703039), (13, 1572036), (26, 786018), (39, 524012), (52, 393009), (78, 262006), (156, 131003), (269, 75972), (487, 41964), (538, 37986), (807, 25324), (974, 20982), (1076, 18993), (1461, 13988), (1614, 12662), (1948, 10491), (2922, 6994), (3228, 6331), (3497, 5844)]