20218926492

素因数分解:

$2^2\times 3^2\times {\mathrm{83}}^1\times {\mathrm{251}}^1\times {\mathrm{26959}}^1$

素因数の和:27303

約数の個数: 72

約数和(自身を含む): 51932724480

約数和(自身を除く): 31713797988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 83, 166, 249, 251, 332, 498, 502, 747, 753, 996, 1004, 1494, 1506, 2259, 2988, 3012, 4518, 9036, 20833, 26959, 41666, 53918, 62499, 80877, 83332, 107836, 124998, 161754, 187497, 242631, 249996, 323508, 374994, 485262, 749988, 970524, 2237597, 4475194, 6712791, 6766709, 8950388, 13425582, 13533418, 20138373, 20300127, 26851164, 27066836, 40276746, 40600254, 60900381, 80553492, 81200508, 121800762, 243601524, 561636847, 1123273694, 1684910541, 2246547388, 3369821082, 5054731623, 6739642164, 10109463246, 20218926492]

約数ペア:

[(1, 20218926492), (2, 10109463246), (3, 6739642164), (4, 5054731623), (6, 3369821082), (9, 2246547388), (12, 1684910541), (18, 1123273694), (36, 561636847), (83, 243601524), (166, 121800762), (249, 81200508), (251, 80553492), (332, 60900381), (498, 40600254), (502, 40276746), (747, 27066836), (753, 26851164), (996, 20300127), (1004, 20138373), (1494, 13533418), (1506, 13425582), (2259, 8950388), (2988, 6766709), (3012, 6712791), (4518, 4475194), (9036, 2237597), (20833, 970524), (26959, 749988), (41666, 485262), (53918, 374994), (62499, 323508), (80877, 249996), (83332, 242631), (107836, 187497), (124998, 161754)]