20452588

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 41144320

約数和(自身を除く): 20691732

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 127, 163, 247, 254, 326, 494, 508, 652, 988, 1651, 2119, 2413, 3097, 3302, 4238, 4826, 6194, 6604, 8476, 9652, 12388, 20701, 31369, 40261, 41402, 62738, 80522, 82804, 125476, 161044, 269113, 393319, 538226, 786638, 1076452, 1573276, 5113147, 10226294, 20452588]

約数ペア:

[(1, 20452588), (2, 10226294), (4, 5113147), (13, 1573276), (19, 1076452), (26, 786638), (38, 538226), (52, 393319), (76, 269113), (127, 161044), (163, 125476), (247, 82804), (254, 80522), (326, 62738), (494, 41402), (508, 40261), (652, 31369), (988, 20701), (1651, 12388), (2119, 9652), (2413, 8476), (3097, 6604), (3302, 6194), (4238, 4826)]