20646528

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{7681}}^1$

素因数の和:7705

約数の個数: 64

約数和(自身を含む): 62685120

約数和(自身を除く): 42038592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 448, 672, 896, 1344, 2688, 7681, 15362, 23043, 30724, 46086, 53767, 61448, 92172, 107534, 122896, 161301, 184344, 215068, 245792, 322602, 368688, 430136, 491584, 645204, 737376, 860272, 983168, 1290408, 1474752, 1720544, 2580816, 2949504, 3441088, 5161632, 6882176, 10323264, 20646528]

約数ペア:

[(1, 20646528), (2, 10323264), (3, 6882176), (4, 5161632), (6, 3441088), (7, 2949504), (8, 2580816), (12, 1720544), (14, 1474752), (16, 1290408), (21, 983168), (24, 860272), (28, 737376), (32, 645204), (42, 491584), (48, 430136), (56, 368688), (64, 322602), (84, 245792), (96, 215068), (112, 184344), (128, 161301), (168, 122896), (192, 107534), (224, 92172), (336, 61448), (384, 53767), (448, 46086), (672, 30724), (896, 23043), (1344, 15362), (2688, 7681)]