20508724284

素因数分解:

$2^2\times 3^1\times {\mathrm{103}}^1\times {\mathrm{199}}^2\times {\mathrm{419}}^1$

素因数の和:927

約数の個数: 72

約数和(自身を含む): 48678215040

約数和(自身を除く): 28169490756

約数列:

[1, 2, 3, 4, 6, 12, 103, 199, 206, 309, 398, 412, 419, 597, 618, 796, 838, 1194, 1236, 1257, 1676, 2388, 2514, 5028, 20497, 39601, 40994, 43157, 61491, 79202, 81988, 83381, 86314, 118803, 122982, 129471, 158404, 166762, 172628, 237606, 245964, 250143, 258942, 333524, 475212, 500286, 517884, 1000572, 4078903, 8157806, 8588243, 12236709, 16315612, 16592819, 17176486, 24473418, 25764729, 33185638, 34352972, 48946836, 49778457, 51529458, 66371276, 99556914, 103058916, 199113828, 1709060357, 3418120714, 5127181071, 6836241428, 10254362142, 20508724284]

約数ペア:

[(1, 20508724284), (2, 10254362142), (3, 6836241428), (4, 5127181071), (6, 3418120714), (12, 1709060357), (103, 199113828), (199, 103058916), (206, 99556914), (309, 66371276), (398, 51529458), (412, 49778457), (419, 48946836), (597, 34352972), (618, 33185638), (796, 25764729), (838, 24473418), (1194, 17176486), (1236, 16592819), (1257, 16315612), (1676, 12236709), (2388, 8588243), (2514, 8157806), (5028, 4078903), (20497, 1000572), (39601, 517884), (40994, 500286), (43157, 475212), (61491, 333524), (79202, 258942), (81988, 250143), (83381, 245964), (86314, 237606), (118803, 172628), (122982, 166762), (129471, 158404)]