20164787532

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{353}}^1\times {\mathrm{22349}}^1$

素因数の和:22783

約数の個数: 72

約数和(自身を含む): 51838768800

約数和(自身を除く): 31673981268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 353, 426, 639, 706, 852, 1059, 1278, 1412, 2118, 2556, 3177, 4236, 6354, 12708, 22349, 25063, 44698, 50126, 67047, 75189, 89396, 100252, 134094, 150378, 201141, 225567, 268188, 300756, 402282, 451134, 804564, 902268, 1586779, 3173558, 4760337, 6347116, 7889197, 9520674, 14281011, 15778394, 19041348, 23667591, 28562022, 31556788, 47335182, 57124044, 71002773, 94670364, 142005546, 284011092, 560132987, 1120265974, 1680398961, 2240531948, 3360797922, 5041196883, 6721595844, 10082393766, 20164787532]

約数ペア:

[(1, 20164787532), (2, 10082393766), (3, 6721595844), (4, 5041196883), (6, 3360797922), (9, 2240531948), (12, 1680398961), (18, 1120265974), (36, 560132987), (71, 284011092), (142, 142005546), (213, 94670364), (284, 71002773), (353, 57124044), (426, 47335182), (639, 31556788), (706, 28562022), (852, 23667591), (1059, 19041348), (1278, 15778394), (1412, 14281011), (2118, 9520674), (2556, 7889197), (3177, 6347116), (4236, 4760337), (6354, 3173558), (12708, 1586779), (22349, 902268), (25063, 804564), (44698, 451134), (50126, 402282), (67047, 300756), (75189, 268188), (89396, 225567), (100252, 201141), (134094, 150378)]