20421732

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2083}}^1$

素因数の和:2152

約数の個数: 48

約数和(自身を含む): 51349760

約数和(自身を除く): 30928028

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 43, 57, 76, 86, 114, 129, 172, 228, 258, 516, 817, 1634, 2083, 2451, 3268, 4166, 4902, 6249, 8332, 9804, 12498, 24996, 39577, 79154, 89569, 118731, 158308, 179138, 237462, 268707, 358276, 474924, 537414, 1074828, 1701811, 3403622, 5105433, 6807244, 10210866, 20421732]

約数ペア:

[(1, 20421732), (2, 10210866), (3, 6807244), (4, 5105433), (6, 3403622), (12, 1701811), (19, 1074828), (38, 537414), (43, 474924), (57, 358276), (76, 268707), (86, 237462), (114, 179138), (129, 158308), (172, 118731), (228, 89569), (258, 79154), (516, 39577), (817, 24996), (1634, 12498), (2083, 9804), (2451, 8332), (3268, 6249), (4166, 4902)]