20165593648

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{3457}}^1\times {\mathrm{7757}}^1$

素因数の和:11269

約数の個数: 40

約数和(自身を含む): 39918820032

約数和(自身を除く): 19753226384

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 3457, 6914, 7757, 13828, 15514, 27656, 31028, 55312, 62056, 124112, 162479, 324958, 364579, 649916, 729158, 1299832, 1458316, 2599664, 2916632, 5833264, 26815949, 53631898, 107263796, 214527592, 429055184, 1260349603, 2520699206, 5041398412, 10082796824, 20165593648]

約数ペア:

[(1, 20165593648), (2, 10082796824), (4, 5041398412), (8, 2520699206), (16, 1260349603), (47, 429055184), (94, 214527592), (188, 107263796), (376, 53631898), (752, 26815949), (3457, 5833264), (6914, 2916632), (7757, 2599664), (13828, 1458316), (15514, 1299832), (27656, 729158), (31028, 649916), (55312, 364579), (62056, 324958), (124112, 162479)]