20177620996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{132751}}^1$

素因数の和:132884

約数の個数: 48

約数和(自身を含む): 39549475840

約数和(自身を除く): 19371854844

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 79, 148, 158, 316, 481, 962, 1027, 1924, 2054, 2923, 4108, 5846, 11692, 37999, 75998, 132751, 151996, 265502, 531004, 1725763, 3451526, 4911787, 6903052, 9823574, 10487329, 19647148, 20974658, 41949316, 63853231, 127706462, 136335277, 255412924, 272670554, 388031173, 545341108, 776062346, 1552124692, 5044405249, 10088810498, 20177620996]

約数ペア:

[(1, 20177620996), (2, 10088810498), (4, 5044405249), (13, 1552124692), (26, 776062346), (37, 545341108), (52, 388031173), (74, 272670554), (79, 255412924), (148, 136335277), (158, 127706462), (316, 63853231), (481, 41949316), (962, 20974658), (1027, 19647148), (1924, 10487329), (2054, 9823574), (2923, 6903052), (4108, 4911787), (5846, 3451526), (11692, 1725763), (37999, 531004), (75998, 265502), (132751, 151996)]