20178032848

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{328333}}^1$

素因数の和:328531

約数の個数: 40

約数和(自身を含む): 41039123328

約数和(自身を除く): 20861090480

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 167, 184, 334, 368, 668, 1336, 2672, 3841, 7682, 15364, 30728, 61456, 328333, 656666, 1313332, 2626664, 5253328, 7551659, 15103318, 30206636, 54831611, 60413272, 109663222, 120826544, 219326444, 438652888, 877305776, 1261127053, 2522254106, 5044508212, 10089016424, 20178032848]

約数ペア:

[(1, 20178032848), (2, 10089016424), (4, 5044508212), (8, 2522254106), (16, 1261127053), (23, 877305776), (46, 438652888), (92, 219326444), (167, 120826544), (184, 109663222), (334, 60413272), (368, 54831611), (668, 30206636), (1336, 15103318), (2672, 7551659), (3841, 5253328), (7682, 2626664), (15364, 1313332), (30728, 656666), (61456, 328333)]