20923188

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 58423680

約数和(自身を除く): 37500492

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 89, 132, 137, 143, 156, 178, 267, 274, 286, 356, 411, 429, 534, 548, 572, 822, 858, 979, 1068, 1157, 1507, 1644, 1716, 1781, 1958, 2314, 2937, 3014, 3471, 3562, 3916, 4521, 4628, 5343, 5874, 6028, 6942, 7124, 9042, 10686, 11748, 12193, 12727, 13884, 18084, 19591, 21372, 24386, 25454, 36579, 38181, 39182, 48772, 50908, 58773, 73158, 76362, 78364, 117546, 134123, 146316, 152724, 158509, 235092, 268246, 317018, 402369, 475527, 536492, 634036, 804738, 951054, 1609476, 1743599, 1902108, 3487198, 5230797, 6974396, 10461594, 20923188]

約数ペア:

[(1, 20923188), (2, 10461594), (3, 6974396), (4, 5230797), (6, 3487198), (11, 1902108), (12, 1743599), (13, 1609476), (22, 951054), (26, 804738), (33, 634036), (39, 536492), (44, 475527), (52, 402369), (66, 317018), (78, 268246), (89, 235092), (132, 158509), (137, 152724), (143, 146316), (156, 134123), (178, 117546), (267, 78364), (274, 76362), (286, 73158), (356, 58773), (411, 50908), (429, 48772), (534, 39182), (548, 38181), (572, 36579), (822, 25454), (858, 24386), (979, 21372), (1068, 19591), (1157, 18084), (1507, 13884), (1644, 12727), (1716, 12193), (1781, 11748), (1958, 10686), (2314, 9042), (2937, 7124), (3014, 6942), (3471, 6028), (3562, 5874), (3916, 5343), (4521, 4628)]