20128446

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{541}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 49170240

約数和(自身を除く): 29041794

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 53, 54, 78, 106, 117, 159, 234, 318, 351, 477, 541, 689, 702, 954, 1082, 1378, 1431, 1623, 2067, 2862, 3246, 4134, 4869, 6201, 7033, 9738, 12402, 14066, 14607, 18603, 21099, 28673, 29214, 37206, 42198, 57346, 63297, 86019, 126594, 172038, 189891, 258057, 372749, 379782, 516114, 745498, 774171, 1118247, 1548342, 2236494, 3354741, 6709482, 10064223, 20128446]

約数ペア:

[(1, 20128446), (2, 10064223), (3, 6709482), (6, 3354741), (9, 2236494), (13, 1548342), (18, 1118247), (26, 774171), (27, 745498), (39, 516114), (53, 379782), (54, 372749), (78, 258057), (106, 189891), (117, 172038), (159, 126594), (234, 86019), (318, 63297), (351, 57346), (477, 42198), (541, 37206), (689, 29214), (702, 28673), (954, 21099), (1082, 18603), (1378, 14607), (1431, 14066), (1623, 12402), (2067, 9738), (2862, 7033), (3246, 6201), (4134, 4869)]