20163194858

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{2887}}^1$

素因数の和:3123

約数の個数: 64

約数和(自身を含む): 34034964480

約数和(自身を除く): 13871769622

約数列:

[1, 2, 19, 23, 38, 46, 61, 122, 131, 262, 437, 874, 1159, 1403, 2318, 2489, 2806, 2887, 3013, 4978, 5774, 6026, 7991, 15982, 26657, 53314, 54853, 57247, 66401, 109706, 114494, 132802, 151829, 176107, 183793, 303658, 352214, 367586, 378197, 756394, 1261619, 2523238, 3346033, 3492067, 4050461, 6692066, 6984134, 7185743, 8100922, 8698531, 14371486, 17397062, 23070017, 46140034, 76958759, 153917518, 165272089, 330544178, 438330323, 530610391, 876660646, 1061220782, 10081597429, 20163194858]

約数ペア:

[(1, 20163194858), (2, 10081597429), (19, 1061220782), (23, 876660646), (38, 530610391), (46, 438330323), (61, 330544178), (122, 165272089), (131, 153917518), (262, 76958759), (437, 46140034), (874, 23070017), (1159, 17397062), (1403, 14371486), (2318, 8698531), (2489, 8100922), (2806, 7185743), (2887, 6984134), (3013, 6692066), (4978, 4050461), (5774, 3492067), (6026, 3346033), (7991, 2523238), (15982, 1261619), (26657, 756394), (53314, 378197), (54853, 367586), (57247, 352214), (66401, 303658), (109706, 183793), (114494, 176107), (132802, 151829)]