20399684768

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{619}}^1\times {\mathrm{44777}}^1$

素因数の和:45429

約数の個数: 48

約数和(自身を含む): 41976688320

約数和(自身を除く): 21577003552

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 184, 368, 619, 736, 1238, 2476, 4952, 9904, 14237, 19808, 28474, 44777, 56948, 89554, 113896, 179108, 227792, 358216, 455584, 716432, 1029871, 1432864, 2059742, 4119484, 8238968, 16477936, 27716963, 32955872, 55433926, 110867852, 221735704, 443471408, 637490149, 886942816, 1274980298, 2549960596, 5099921192, 10199842384, 20399684768]

約数ペア:

[(1, 20399684768), (2, 10199842384), (4, 5099921192), (8, 2549960596), (16, 1274980298), (23, 886942816), (32, 637490149), (46, 443471408), (92, 221735704), (184, 110867852), (368, 55433926), (619, 32955872), (736, 27716963), (1238, 16477936), (2476, 8238968), (4952, 4119484), (9904, 2059742), (14237, 1432864), (19808, 1029871), (28474, 716432), (44777, 455584), (56948, 358216), (89554, 227792), (113896, 179108)]