20287746

素因数分解:

$2^1\times 3^4\times {\mathrm{61}}^1\times {\mathrm{2053}}^1$

素因数の和:2128

約数の個数: 40

約数和(自身を含む): 46227324

約数和(自身を除く): 25939578

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 81, 122, 162, 183, 366, 549, 1098, 1647, 2053, 3294, 4106, 4941, 6159, 9882, 12318, 18477, 36954, 55431, 110862, 125233, 166293, 250466, 332586, 375699, 751398, 1127097, 2254194, 3381291, 6762582, 10143873, 20287746]

約数ペア:

[(1, 20287746), (2, 10143873), (3, 6762582), (6, 3381291), (9, 2254194), (18, 1127097), (27, 751398), (54, 375699), (61, 332586), (81, 250466), (122, 166293), (162, 125233), (183, 110862), (366, 55431), (549, 36954), (1098, 18477), (1647, 12318), (2053, 9882), (3294, 6159), (4106, 4941)]