20453648

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{461}}^1$

素因数の和:575

約数の個数: 40

約数和(自身を含む): 41247360

約数和(自身を除く): 20793712

約数列:

[1, 2, 4, 8, 16, 47, 59, 94, 118, 188, 236, 376, 461, 472, 752, 922, 944, 1844, 2773, 3688, 5546, 7376, 11092, 21667, 22184, 27199, 43334, 44368, 54398, 86668, 108796, 173336, 217592, 346672, 435184, 1278353, 2556706, 5113412, 10226824, 20453648]

約数ペア:

[(1, 20453648), (2, 10226824), (4, 5113412), (8, 2556706), (16, 1278353), (47, 435184), (59, 346672), (94, 217592), (118, 173336), (188, 108796), (236, 86668), (376, 54398), (461, 44368), (472, 43334), (752, 27199), (922, 22184), (944, 21667), (1844, 11092), (2773, 7376), (3688, 5546)]