20565862434

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{987509}}^1$

素因数の和:987619

約数の個数: 48

約数和(自身を含む): 48526241400

約数和(自身を除く): 27960378966

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 89, 117, 178, 234, 267, 534, 801, 1157, 1602, 2314, 3471, 6942, 10413, 20826, 987509, 1975018, 2962527, 5925054, 8887581, 12837617, 17775162, 25675234, 38512851, 77025702, 87888301, 115538553, 175776602, 231077106, 263664903, 527329806, 790994709, 1142547913, 1581989418, 2285095826, 3427643739, 6855287478, 10282931217, 20565862434]

約数ペア:

[(1, 20565862434), (2, 10282931217), (3, 6855287478), (6, 3427643739), (9, 2285095826), (13, 1581989418), (18, 1142547913), (26, 790994709), (39, 527329806), (78, 263664903), (89, 231077106), (117, 175776602), (178, 115538553), (234, 87888301), (267, 77025702), (534, 38512851), (801, 25675234), (1157, 17775162), (1602, 12837617), (2314, 8887581), (3471, 5925054), (6942, 2962527), (10413, 1975018), (20826, 987509)]