20225648

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:162

約数の個数: 80

約数和(自身を含む): 44836416

約数和(自身を除く): 24610768

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 53, 61, 68, 92, 106, 122, 136, 184, 212, 244, 272, 368, 391, 424, 488, 782, 848, 901, 976, 1037, 1219, 1403, 1564, 1802, 2074, 2438, 2806, 3128, 3233, 3604, 4148, 4876, 5612, 6256, 6466, 7208, 8296, 9752, 11224, 12932, 14416, 16592, 19504, 20723, 22448, 23851, 25864, 41446, 47702, 51728, 54961, 74359, 82892, 95404, 109922, 148718, 165784, 190808, 219844, 297436, 331568, 381616, 439688, 594872, 879376, 1189744, 1264103, 2528206, 5056412, 10112824, 20225648]

約数ペア:

[(1, 20225648), (2, 10112824), (4, 5056412), (8, 2528206), (16, 1264103), (17, 1189744), (23, 879376), (34, 594872), (46, 439688), (53, 381616), (61, 331568), (68, 297436), (92, 219844), (106, 190808), (122, 165784), (136, 148718), (184, 109922), (212, 95404), (244, 82892), (272, 74359), (368, 54961), (391, 51728), (424, 47702), (488, 41446), (782, 25864), (848, 23851), (901, 22448), (976, 20723), (1037, 19504), (1219, 16592), (1403, 14416), (1564, 12932), (1802, 11224), (2074, 9752), (2438, 8296), (2806, 7208), (3128, 6466), (3233, 6256), (3604, 5612), (4148, 4876)]